| Repeated item name | O-Ring Seal Centering Ring Assy KF-25 / NW25 Centering Ring Consistent vacuum fitting identity. |
|---|---|
| Seal material/color | Brown Viton appears in titles Likely Viton/FKM seal, but verify actual material. |
A centering ring aligns KF/NW vacuum flanges and carries the O-ring seal.
Correct size and seal material are essential for vacuum integrity and chemical compatibility.
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 9, 2026 16:08 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 13, 2026 16:10 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 11, 2026 16:12 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 16:01 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 2, 2026 16:16 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 29, 2026 16:18 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 21, 2026 11:12 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 18, 2026 16:10 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 | 8 | 3.9700 | 199.0000 | 89.1075000000000000 |
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 22, 2025 21:45 UTC | Applied Materials AMAT NW 25 Centering Ring 3700-01543 | Completed listing price | 4.23 (currency not captured) | Not established |
| Mar 29, 2025 20:23 UTC | LOT OF18 Applied Materials AMAT NW 25 Centering Ring 3700-01543 | Completed listing price | 45 (currency not captured) | Not established |
| Dec 22, 2024 13:52 UTC | Qty(1) NW-25-CR-SV Viton O-Ring AMAT 3700-01543 Sealed USA | Completed listing price | 5 (currency not captured) | Not established |
| Dec 22, 2024 13:51 UTC | Applied Materials (AMAT) 3700-01543 O-RING SEAL CENTER RING ASSY KF25 W/ BROWN V | Completed listing price | 22.95 (currency not captured) | Not established |
| Jan 24, 2024 15:45 UTC | Applied Materials AMAT NW 25 Centering Ring 3700-01543 | Completed listing price | 4.23 (currency not captured) | Not established |
| Jun 27, 2023 08:37 UTC | Applied Materials AMAT NW 25 Centering Ring, 3700-01543 | Completed listing price | 8.5 (currency not captured) | Not established |
| Jun 22, 2023 08:49 UTC | Applied Materials AMAT NW 25 Centering Ring 3700-01543 | Completed listing price | 3.38 (currency not captured) | Not established |
| Dec 27, 2022 12:29 UTC | Applied Materials AMAT NW 25 Centering Ring, 3700-01543 | Completed listing price | 9.99 (currency not captured) | Not established |
| Dec 1, 2022 03:17 UTC | Applied Materials AMAT NW 25 Centering Ring, 3700-01543 | Completed listing price | 9.99 (currency not captured) | Not established |
| Nov 30, 2022 16:04 UTC | Applied Materials 3700-01543 AMAT NW 25 Centering Ring | Completed listing price | 3.38 (currency not captured) | Not established |
| Nov 12, 2022 15:56 UTC | Applied Materials AMAT NW 25 Centering Ring, 3700-01543 | Completed listing price | 7.49 (currency not captured) | Not established |
| Oct 30, 2022 16:03 UTC | Applied Materials AMAT NW 25 Centering Ring, 3700-01543 | Completed listing price | 9.99 (currency not captured) | Not established |
| Oct 15, 2022 21:23 UTC | Applied Materials AMAT NW 25 Centering Ring, 3700-01543 | Completed listing price | 4.99 (currency not captured) | Not established |
| Nov 23, 2021 19:28 UTC | (25) Applied Materials Centering Ring 3700-01543 | Completed listing price | 19.97 (currency not captured) | Not established |
| Oct 23, 2021 07:05 UTC | Applied Materials AMAT NW 25 Centering Ring, 3700-01543 | Completed listing price | 40 (currency not captured) | Not established |
| May 2, 2021 18:27 UTC | (25) Applied Materials Centering Ring 3700-01543 | Completed listing price | 39.95 (currency not captured) | Not established |
| Apr 29, 2021 07:33 UTC | Applied Materials 3700-01543 AMAT NW 25 Centering Ring | Completed listing price | 5.92 (currency not captured) | Not established |
| Jan 19, 2021 21:36 UTC | APPLIED MATERIAL AMAT CENTERING RING NW-25-CR-SV BROWN O-R 3700-01543 | Completed listing price | 25 (currency not captured) | Not established |
| Jan 19, 2021 21:36 UTC | Appliqué Matériel AMAT Centrant Bague NW-25-CR-SV Marron O-R 3700-01543 | Completed listing price | 24.88 (currency not captured) | Not established |
| Jul 10, 2015 17:50 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Jun 10, 2015 04:50 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| May 10, 2015 20:00 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Apr 10, 2015 19:29 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Mar 11, 2015 16:47 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Feb 9, 2015 16:38 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Jan 10, 2015 12:44 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Nov 9, 2014 18:03 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Oct 10, 2014 17:51 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| May 6, 2014 13:38 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Mar 5, 2014 16:02 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Feb 2, 2014 19:19 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Jan 3, 2014 18:30 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Dec 4, 2013 18:15 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Nov 4, 2013 17:54 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Oct 5, 2013 15:07 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Sep 4, 2013 13:24 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Aug 5, 2013 06:27 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Jul 6, 2013 03:57 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Jun 6, 2013 02:05 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| May 6, 2013 20:13 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Apr 6, 2013 14:32 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Mar 7, 2013 00:28 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (currency not captured) | Not established |
| Jan 23, 2013 09:12 UTC | Applied Materials AMAT Centering Ring W-25-CR-SV WITH BROWN 3700-01543 LOT OF 2 | Completed listing price | 15 (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.
Legacy 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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View on eBayOriginal public listing price is shown separately from recorded accepted amounts.
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Acceptance recorded by the source; fulfillment is not verified. Availability has not been rechecked; current availability is unknown. Checked Aug 16, 2026 18:08 UTC.
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Verification lookup unavailable; legacy status shown — Last attempted Aug 24, 2026 16:17 UTC
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Verification lookup unavailable; legacy status shown — Last attempted Aug 26, 2026 16:27 UTC
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View on eBayLegacy public listing price; currency may not have been captured.
Verification lookup unavailable; legacy status shown — Last attempted Aug 28, 2026 16:16 UTC
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