AMAT Applied Materials ? 0020-04277 Rev. B AMP 075 Insulating FlangeAMAT 0020-04277 *INSULATING FLANGE, TAPERED (EXT. CATHOD0020-04277 / INSULATING FLANGE, TAPERED EXT CATHODE / APPLIED MATERIALSAMAT Applied Materials 0020-04277 Insulating Flange Ring Working SurplusAMAT 0020-04277 Insulating Flange, 158040AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 152380AMAT 0020-04277 Insulating Flange, Tapered, EXT Cathode, 145327AMAT Applied Materials 0020-04277 Tapered Insulating Flange Lot of 4 WorkingAMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123437AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123438AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123439AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123423AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123424AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123425AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123426AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123392AMAT 0020-04277 Insulating Flange, 121109AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 120922AMAT 0020-04277 Insulating FlangeAPPLIED MATERIALS  FLANGE INSULATING TAPER 0020-04277AMAT Applied Materials ? 0020-04277 Rev. B Insulating FlangeAMAT Applied Materials 0020-04277 Insulating Flange Ring Working SurplusApplied Materials? 0020-04277 Rev. B Insulating Flange 0020-04277 / INSULATING FLANGE, TAPERED (EXT. CATHODE / APPLIED MATERIALS0020-04277 / INSULATING FLANGE, TAPERED (EXT. CATHODE / APPLIED MATERIALSAMAT 0020-04277, Insulating Flange, Tapered, Ardel. 418464AMAT 0020-04277 Insulating Flange, Tapered, Ardel, 418481AMAT 0020-04277 Rev.B, AMP 037, Insulating Flange, Tapered, Ardel. 419145AMAT 0020-04277 Insulating Flange, Tapered, Ardel, 4198300020-04277 / INSULATING FLANGE, TAPERED (EXT. CATHODE / APPLIED MATERIALSApplied Materials Flange Insulating Ring 0020-04277Applied Materials Flange Insulating Ring 0020-04277Applied Materials Flange Insulating Ring 0020-04277Applied Materials Flange Insulating Ring 0020-04277Applied Materials Flange Insulating Ring 0020-04277Applied Materials Flange Insulating Ring 0020-04277Applied Materials Flange Insulating Ring 0020-04277APPLIED MATERIALS (AMAT) 0020-04277  2004277  *INSULATING FLANGE, TAPERED (EXT.AMAT 0020-04277 2004277 *INSULATING FLANGE, TAPERED (EXT. CATHOD
Image 1 of 39

APPLIED MATERIALS 0020-04277

Insulating Tapered Flange Ring

Market Availability & Pricing

Part number0020-04277
ManufacturerAPPLIED MATERIALS
Current availabilitySee listings below
Latest completed listing with reported sales400.99 (currency not captured) — public listing price; reported sold quantity is not a verified transaction. Recorded acceptance: Accepted price not disclosed
Mechanical › Chamber Components › Ceramic & Quartz Parts
Insulating Tapered Flange Ring
APPLIED MATERIALS0020-04277insulating flange ring
Product description
Insulating flange ring / tapered insulating flange
Specifications and identifiers
observed identity
Component typeInsulating flange ring
Repeated in titles.
GeometryTapered mentioned
One official-style title mentions tapered.
ContextExternal cathode abbreviated EXT. CATHOD appears
Context should be verified before asserting compatibility.
Applications
chamber flange insulationcathode-area isolationsemiconductor process chamber hardwareElectrical/mechanical isolation at a flangeReplacement insulating chamber ring
How it works

An insulating flange ring is a ring-shaped component used to electrically isolate or insulate a flange or chamber feature.

Insulating rings must match material, geometry, and electrical/thermal exposure requirements.

Technical guide
EXT. CATHOD
Likely external cathode context, but exact expansion should be verified.
What to verify before purchase
  • Confirm material, dimensions, and taper orientation.
  • Inspect for cracks, chips, arcing, or contamination.
  • Verify cathode/chamber compatibility.
Confirm with the seller
  • Exact material
  • Exact chamber platform

Product reference only. Confirm fitment, revision, included components, and specifications before purchase.

Documentation

No public documents were listed for this part when captured.

Available Listings

Prices and availability may change. Confirm details with the seller.

AMAT Applied Materials ? 0020-04277 Rev. B AMP 075 Insulating Flange

AMAT Applied Materials ? 0020-04277 Rev. B AMP 075 Insulating Flange

USD 149.9800

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: Used
Listed: Sep 16, 2026 15:08 UTC
Estimated remaining at check: 1
Estimated sold at check: 0

eBay response captured — Checked Oct 10, 2026 16:07 UTC

Availability has not been rechecked; current availability is unknown.

Best Offer · Buy It Now

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AMAT 0020-04277 *INSULATING FLANGE, TAPERED (EXT. CATHOD

AMAT 0020-04277 *INSULATING FLANGE, TAPERED (EXT. CATHOD

USD 369.9500

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: NEW
Listed: Oct 11, 2025 14:25 UTC
Estimated remaining at check: 3
Estimated sold at check: 0

eBay response captured — Checked Oct 13, 2026 16:15 UTC

Availability has not been rechecked; current availability is unknown.

Best Offer · Buy It Now

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0020-04277 / INSULATING FLANGE, TAPERED EXT CATHODE / APPLIED MATERIALS

0020-04277 / INSULATING FLANGE, TAPERED EXT CATHODE / APPLIED MATERIALS

USD 400.9900

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: Used
Listed: Jun 5, 2025 23:50 UTC
Estimated remaining at check: 1
Estimated sold at check: 0

eBay response captured — Checked Oct 12, 2026 16:12 UTC

Availability has not been rechecked; current availability is unknown.

Best Offer · Buy It Now

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AMAT Applied Materials 0020-04277 Insulating Flange Ring Working Surplus

AMAT Applied Materials 0020-04277 Insulating Flange Ring Working Surplus

USD 410.2300

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: Used
Listed: Jul 30, 2024 18:00 UTC
End recorded: Dec 7, 2024 04:22 UTC
Estimated remaining at check: 2
Estimated sold at check: 0

eBay response captured — Checked Oct 7, 2026 16:21 UTC

Availability has not been rechecked; current availability is unknown.

Best Offer · Buy It Now

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AMAT 0020-04277 Insulating Flange, 158040

AMAT 0020-04277 Insulating Flange, 158040

USD 250.0000

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: Used
Listed: May 28, 2024 23:30 UTC
End recorded: Dec 7, 2024 06:52 UTC
Estimated remaining at check: 1
Estimated sold at check: 0

eBay response captured — Checked Oct 6, 2026 16:18 UTC

Availability has not been rechecked; current availability is unknown.

Best Offer · Buy It Now

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AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 152380

AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 152380

USD 395.0000

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: NEW
Listed: Apr 3, 2024 17:30 UTC
End recorded: Dec 7, 2024 14:09 UTC
Estimated remaining at check: 1
Estimated sold at check: 0

eBay response captured — Checked Oct 6, 2026 16:03 UTC

Availability has not been rechecked; current availability is unknown.

Best Offer · Buy It Now

View on eBay
AMAT 0020-04277 Insulating Flange, Tapered, EXT Cathode, 145327

AMAT 0020-04277 Insulating Flange, Tapered, EXT Cathode, 145327

USD 395.0000

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: Used
Listed: Jan 31, 2024 19:00 UTC
End recorded: Dec 6, 2024 22:44 UTC
Estimated remaining at check: 2
Estimated sold at check: 0

eBay response captured — Checked Oct 5, 2026 16:07 UTC

Availability has not been rechecked; current availability is unknown.

Best Offer · Buy It Now

View on eBay
AMAT Applied Materials 0020-04277 Tapered Insulating Flange Lot of 4 Working

AMAT Applied Materials 0020-04277 Tapered Insulating Flange Lot of 4 Working

USD 759.2300

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: Used
Listed: Oct 3, 2023 17:30 UTC
End recorded: Dec 7, 2024 14:15 UTC
Estimated remaining at check: 1
Estimated sold at check: 0

eBay response captured — Checked Oct 3, 2026 16:11 UTC

Availability has not been rechecked; current availability is unknown.

Best Offer · Buy It Now

View on eBay
AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123438

AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123438

USD 395.0000

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: Used
Listed: Jul 27, 2023 00:00 UTC
End recorded: Dec 7, 2024 09:20 UTC
Estimated remaining at check: 1
Estimated sold at check: 0

eBay response captured — Checked Oct 2, 2026 16:18 UTC

Availability has not been rechecked; current availability is unknown.

Buy It Now

View on eBay
AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123437

AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123437

USD 395.0000

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: Used
Listed: Jul 27, 2023 00:00 UTC
End recorded: Dec 7, 2024 09:21 UTC
Estimated remaining at check: 1
Estimated sold at check: 0

eBay response captured — Checked Oct 2, 2026 16:18 UTC

Availability has not been rechecked; current availability is unknown.

Buy It Now

View on eBay
AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123439

AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123439

USD 395.0000

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: Used
Listed: Jul 27, 2023 00:00 UTC
End recorded: Dec 7, 2024 09:20 UTC
Estimated remaining at check: 1
Estimated sold at check: 0

eBay response captured — Checked Oct 2, 2026 16:18 UTC

Availability has not been rechecked; current availability is unknown.

Buy It Now

View on eBay
AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123425

AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123425

USD 395.0000

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: Used
Listed: Jul 26, 2023 23:30 UTC
End recorded: Dec 7, 2024 07:14 UTC
Estimated remaining at check: 1
Estimated sold at check: 0

eBay response captured — Checked Oct 2, 2026 16:18 UTC

Availability has not been rechecked; current availability is unknown.

Buy It Now

View on eBay
AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123424

AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123424

USD 395.0000

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: Used
Listed: Jul 26, 2023 23:30 UTC
End recorded: Dec 7, 2024 07:14 UTC
Estimated remaining at check: 1
Estimated sold at check: 0

eBay response captured — Checked Oct 2, 2026 16:18 UTC

Availability has not been rechecked; current availability is unknown.

Buy It Now

View on eBay
AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123423

AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123423

USD 395.0000

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: Used
Listed: Jul 26, 2023 23:30 UTC
End recorded: Dec 7, 2024 07:14 UTC
Estimated remaining at check: 1
Estimated sold at check: 0

eBay response captured — Checked Oct 2, 2026 16:18 UTC

Availability has not been rechecked; current availability is unknown.

Buy It Now

View on eBay
AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123426

AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123426

USD 395.0000

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: Used
Listed: Jul 26, 2023 23:30 UTC
End recorded: Dec 7, 2024 07:13 UTC
Estimated remaining at check: 1
Estimated sold at check: 0

eBay response captured — Checked Oct 2, 2026 16:18 UTC

Availability has not been rechecked; current availability is unknown.

Buy It Now

View on eBay
AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123392

AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 123392

USD 395.0000

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: Used
Listed: Jul 26, 2023 21:00 UTC
End recorded: Dec 6, 2024 18:55 UTC
Estimated remaining at check: 1
Estimated sold at check: 0

eBay response captured — Checked Oct 2, 2026 16:18 UTC

Availability has not been rechecked; current availability is unknown.

Buy It Now

View on eBay
AMAT 0020-04277 Insulating Flange, 121109

AMAT 0020-04277 Insulating Flange, 121109

USD 395.0000

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: NEW
Listed: Jul 3, 2023 17:00 UTC
End recorded: Dec 6, 2024 17:18 UTC
Estimated remaining at check: 20
Estimated sold at check: 0

eBay response captured — Checked Oct 2, 2026 16:13 UTC

Availability has not been rechecked; current availability is unknown.

Buy It Now

View on eBay
AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 120922

AMAT 0020-04277 Insulating Flange, Tapered, EXT CATH, 120922

USD 395.0000

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: Used
Listed: Jun 29, 2023 22:30 UTC
End recorded: Dec 7, 2024 07:27 UTC
Estimated remaining at check: 1
Estimated sold at check: 0

eBay response captured — Checked Oct 2, 2026 16:12 UTC

Availability has not been rechecked; current availability is unknown.

Buy It Now

View on eBay
AMAT 0020-04277 Insulating Flange

AMAT 0020-04277 Insulating Flange

USD 195.0000

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: Used
Listed: Sep 7, 2022 21:30 UTC
End recorded: Dec 7, 2024 06:26 UTC
Estimated remaining at check: 5
Estimated sold at check: 5

eBay response captured — Checked Sep 30, 2026 16:16 UTC

Availability has not been rechecked; current availability is unknown.

Best Offer · Buy It Now

View on eBay
APPLIED MATERIALS  FLANGE INSULATING TAPER 0020-04277

APPLIED MATERIALS FLANGE INSULATING TAPER 0020-04277

USD 349.9900

Observed public listing price, not an accepted sale amount.

Observed active at check time
US
Condition: Used
Listed: Sep 6, 2018 16:49 UTC
End recorded: Dec 7, 2024 04:16 UTC
Estimated remaining at check: 1
Estimated sold at check: 0

eBay response captured — Checked Oct 19, 2026 16:11 UTC

Availability has not been rechecked; current availability is unknown.

Best Offer · Buy It Now

View on eBay

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