| Flange/opening | 6 in CFF / 6.0 in OD Viewport flange dimensions are repeatedly indicated. |
|---|---|
| Function | View port lid assembly Provides sealed optical/viewing access in vacuum hardware. |
| Additional dimensions | 3.88 in ID and zero-length wording appear in evidence Verify actual viewport geometry from drawing or inspection. |
| Vacuum interface | CFF/ConFlat-style viewport Used in vacuum-compatible assemblies. |
|---|
A viewport lid or assembly provides an optical viewing or access port in a vacuum-compatible component.
Flange style, optical opening, material, sealing face, and vacuum rating must match the chamber or fixture.
stainless steel flange or lid with a glass/quartz viewport when included
ConFlat-style flange terminology is commonly used for high-vacuum hardware.
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 3, 2026 16:07 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
View on eBayObserved public listing price, not an accepted sale amount.
eBay response captured — Checked Oct 8, 2026 16:17 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
View on eBayObserved public listing price, not an accepted sale amount.
eBay response captured — Checked Oct 3, 2026 16:25 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
View on eBayObserved public listing price, not an accepted sale amount.
eBay response captured — Checked Oct 1, 2026 16:21 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
View on eBayObserved public listing price, not an accepted sale amount.
eBay response captured — Checked Sep 30, 2026 16:23 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
View on eBay0 matching listings.
No active-status direct listings are shown on this page.
Auction listing history. Direct marketplace listings are shown separately.
| Currency | Price basis | Records | Minimum | Maximum | Mean |
|---|---|---|---|---|---|
| USD | Observed public listing prices | 7 | 455.0700 | 999.0000 | 829.1257142857142857 |
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 |
|---|---|---|---|---|
| Oct 2, 2026 10:55 UTC | Applied Materials 3300-02261 Lid, View Port Assy, 6" CFF, 6.0 OD | Completed listing price | 899.95 (currency not captured) | Not established |
| Dec 7, 2024 10:21 UTC | 3300-02261 Applied Materials LID, View Port Assy, 6" CFF, 6.0 OD | Completed listing price | 1500 (currency not captured) | Not established |
| Jul 17, 2024 03:45 UTC | APPLIED MATERIALS LID, VIEW PORT ASSY, 6" CFF, 6.0 OD 3300-02261 | Completed listing price | 1.2 (currency not captured) | Not established |
| May 15, 2024 11:30 UTC | APPLIED MATERIALS LID, VIEW PORT ASSY, 6" CFF, 6.0 OD 3300-02261 | Completed listing price | 1.5 (currency not captured) | Not established |
| Aug 11, 2023 02:52 UTC | Applied Materials 6" View port CFF AMAT 3300-02261 | Completed listing price | 700 (currency not captured) | Not established |
| Jul 26, 2023 22:32 UTC | 28178 APPLIED MATERIALS LID, VIEW PORT ASSY, 6" CFF, 6.0 OD 3300-02261 | Completed listing price | 850 (currency not captured) | Not established |
| Aug 12, 2022 13:54 UTC | 28178 APPLIED MATERIALS LID, VIEW PORT ASSY, 6" CFF, 6.0 OD 3300-02261 | Completed listing price | 850 (currency not captured) | Not established |
| Jul 15, 2021 22:40 UTC | AMAT 3300-02261 VWPRT 6" CFF 6.0 OD 3.88 ID SST ZERO LENGTH | Completed listing price | 725 (currency not captured) | Not established |
| May 17, 2021 15:08 UTC | APPLIED MATERIALS 3300-02261 VIEWPORT 6 INCH CFF 6.0 OD | Completed listing price | 849.99 (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 Oct 13, 2026 16:15 UTC
Availability has not been rechecked; current availability is unknown.
Buy It Now
View on eBayLegacy public listing price; currency may not have been captured.
Verification lookup unavailable; legacy status shown — Last attempted Aug 20, 2026 16:07 UTC
Availability has not been rechecked; 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.
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.
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 eBayObserved public listing price, not an accepted sale amount.
eBay response captured — Checked Aug 23, 2026 16:06 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
View on eBay0 of 0 matching services.
No services match this search.
Marketplace search uses listing titles and service keywords, with quoted phrases and -excluded terms.