Acquisition method (AMC)
1
FSC 5331 × O-RING
O-RING
5331-00-450-7972 FSC 5331
NSN 5331-00-450-7972 (also written 5331004507972; NIIN 00-450-7972) is an o-ring in Federal Supply Class 5331, O-Rings. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | ASSN STD SINGLE MATERIAL RESPONSE A-S 3357 |
| MATERIAL MATT | RUBBER SILICONE CLASS Q |
| CROSS-SECTIONAL HEIGHT ADVN | INCHES MINIMUM 0.144 AND INCHES MAXIMUM 0.152 |
| HARDNESS RATING CQFM | SHORE DUROMETER A MINIMUM 70.0 AND SHORE DUROMETER A MAXIMUM 80.0 |
| TEMP RATING ABJH | FAHRENHEIT -85.0 AND FAHRENHEIT 500.0 |
| CENTER HOLE DIAMETER ADYT | INCHES MINIMUM 2.844 AND INCHES MAXIMUM 2.874 |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 657802 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY |
| 657802 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
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Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
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Total demand
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Latest award total
Purchase history
No priced purchases on record for this NSN yet.
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
No related contract actions on record.
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Nov 6, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "O-RING." nsnexplorer.com, https://nsnexplorer.com/nsn/5331-00-450-7972/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5331-00-450-7972/