![321-0402 AMAT APPLIED 3320-01027 GSKT 2.75 CFF OFHC Cu [REFURBISHED]](/catalog-assets/44cdbc143495dc7280955b406b64beb6e35133d9749192531df91f6752db14c0.webp)
![321-0402// AMAT APPLIED 3320-01027 GSKT 2.75 CFF OFHC Cu [2ND NEW SOURCE]](/catalog-assets/b9f55f0233809addde6f1c696437032706b446de206c22722dd1d4abf7cc32a0.webp)
| Item noun | Copper gasket The part identity identifies a CFF/CF copper gasket. |
|---|---|
| Size | 2.75 in CFF / DN40 CF context Both 2.75 in and DN40 CF wording appear in the part description. |
| Material | OFHC copper OFHC Cu is stated. |
A CF copper gasket seals between ConFlat-style vacuum flanges.
Correct flange size, copper type, and sealing surface condition are essential for vacuum integrity.
Oxygen-free high-conductivity copper is commonly used for crush-style high-vacuum gaskets.
A knife-edge vacuum flange design that seals by deforming a soft metal gasket.
Product reference only. Confirm fitment, revision, included components, and specifications before purchase.
No public documents were listed for this part when captured.
Prices and availability may change. Confirm details with the seller.
Observed public listing price, not an accepted sale amount.
eBay response captured — Checked Oct 8, 2026 16:27 UTC
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eBay response captured — Checked Oct 2, 2026 16:02 UTC
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eBay response captured — Checked Sep 30, 2026 16:05 UTC
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eBay response captured — Checked Oct 20, 2026 16:16 UTC
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Auction listing history. Direct marketplace listings are shown separately.
| Currency | Price basis | Records | Minimum | Maximum | Mean |
|---|---|---|---|---|---|
| USD | Observed public listing prices | 11 | 20.0000 | 595.0000 | 130.9918181818181818 |
Amounts without an established currency are retained in the history below and excluded from monetary comparisons. Bids, public listing prices and accepted amounts are distinct; no currency conversion is applied.
| Time recorded | Listing | Observation | Public price | Recorded acceptance |
|---|---|---|---|---|
| Sep 16, 2026 09:06 UTC | AMAT 3320-01027 GSKT 2.75" CFF OFHC CU *hh | Completed listing price | 59.01 (currency not captured) | Not established |
| Sep 16, 2026 09:06 UTC | AMAT 3320-01027 GSKT 2.75" CFF OFHC CU @zx | Completed listing price | 59.14 (currency not captured) | Not established |
| Dec 7, 2024 12:14 UTC | 3320-01027, APPLIED MATERIALS, GSKT 2.75" CFF OFHC Cu | Completed listing price | 31.5 (currency not captured) | Not established |
| Dec 6, 2024 22:06 UTC | BULK! LOT OF 10-3320-01027, APPLIED MATERIALS, GSKT 2.75" CFF OFHC Cu | Completed listing price | 110.49 (currency not captured) | Not established |
| Aug 25, 2023 01:15 UTC | 3320-01027, APPLIED MATERIALS, GSKT 2.75" CFF OFHC Cu | Completed listing price | 40 (currency not captured) | Not established |
| Jun 19, 2023 00:44 UTC | 321-0402// AMAT APPLIED 3320-01027 GSKT 2.75 CFF OFHC Cu [2ND NEW SOURCE] | Completed listing price | 40 (currency not captured) | Not established |
| Dec 8, 2021 10:08 UTC | 3320-01027, APPLIED MATERIALS, GSKT 2.75" CFF OFHC Cu | Completed listing price | 31.5 (currency not captured) | Not established |
| Dec 23, 2019 07:30 UTC | 343-0203// AMAT APPLIED 3320-01027 GSKT 2.75 CFF OFHC Cu 2ND SOURCE NEW | Completed listing price | 20 (currency not captured) | Not established |
| Oct 5, 2018 23:33 UTC | Lot of 17 Applied Materials 3320-01027 Copper Gasket 2.75" CFF OFCH | Completed listing price | 49.99 (currency not captured) | Not established |
| Sep 23, 2018 14:51 UTC | Lot of 17 Applied Materials 3320-01027 Copper Gasket 2.75" CFF OFCH | Completed listing price | 49.99 (currency not captured) | Not established |
| Aug 25, 2017 18:57 UTC | APPLIED MATERIALS P/N 3320-01027 GASKET 2.75"CFF COPPER | Completed listing price | 155 (currency not captured) | Not established |
| Oct 13, 2016 20:27 UTC | (2) Applied Materials 3320-01027 Copper Gasket 2.75" CFF OFHC CU | Completed listing price | 45 (currency not captured) | Not established |
| Mar 3, 2015 21:42 UTC | APPLIED MATERIALS P/N 3320-01027 GASKET 2.75"CFF COPPER | Completed listing price | 155 (currency not captured) | Not established |
Public listing prices, direct recorded sale prices and recorded accepted Best Offer amounts remain distinct. Quantities are source estimates. No aggregate sales total or average is inferred.
Prices and availability may change. Confirm details with the seller.
Observed public listing price, not an accepted sale amount.
eBay response captured — Checked Sep 23, 2026 16:13 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
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eBay response captured — Checked Sep 24, 2026 16:09 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
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Verification lookup unavailable; legacy status shown — Last attempted Aug 11, 2026 16:16 UTC
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Best Offer lookup was not verified; no accepted-price claim is made.
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Verification lookup unavailable; legacy status shown — Last attempted Aug 16, 2026 16:12 UTC
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Legacy record; no enhanced status check captured
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Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayOriginal public listing price is shown separately from recorded accepted amounts.
Legacy record; no enhanced status check captured
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Acceptance recorded by the source; fulfillment is not verified. Availability has not been rechecked; current availability is unknown. Checked Aug 29, 2026 18:15 UTC.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
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