Home · FSC 5331 O-Ring · NSN 5331-01-664-7373
NSN 5331-01-664-7373 — O-Ring
NIIN 01-664-7373 · unit of issue EA · AAC Z (insurance item) · source of supply SMS
Used on: B-52 Stratofortress · all platforms
NSN 5331-01-664-7373 is the national stock number for an o-ring in federal supply class 5331 (O-Ring). It cross-references to 1 manufacturer part number from 1 CAGE code, including Greene Tweed & Co Inc; the primary is A922200-00772. The federal catalog ties it to the B-52 Stratofortress. The unit of issue is EA and the FLIS list price is $43.62.
The U.S. government has bought this item 6 times on record, 5 of them in the last 24 months, most recently on September 22, 2026 for $11,500 from Seal Dynamics LLC. The median unit price paid over 36 months is $42.00. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.
1
part number from 1 CAGE
0
open solicitations, all agencies
5
government buys in 24 months · median $42.00
0
sellers with confirmed stock
Cross-references
Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.
| Part number | CAGE | Manufacturer | Reference | Variation |
|---|---|---|---|---|
| A922200-00772 | 5F573 | Greene Tweed & Co Inc | 3 · Design control (vendor) | 2 · Fully interchangeable |
Government demand
Nothing open right now. Last government buy Sep 22, 2026. Watch this NSN and we will email you when it is solicited.
What the government paid
| Date | Vendor | Qty | Unit cost | Amount | Buyer | Reference |
|---|---|---|---|---|---|---|
| Sep 22, 2026 | Seal Dynamics LLC 5N582 | $11,500 | Dla | SPE7M426V5809 » Award/Basic Package View | ||
| Mar 19, 2026 | Seal Dynamics LLC 5N582 | 250 | $42.00 | Dla | SPE7M426V2674 | |
| Mar 3, 2026 | Seal Dynamics LLC 5N582 | 250 | $42.00 | Dla | SPE7M426V2482 | |
| Feb 17, 2026 | Seal Dynamics LLC 5N582 | 513 | $42.00 | Dla | SPE7M426V2285 | |
| Jan 28, 2026 | Seal Dynamics LLC 5N582 | 250 | $42.00 | Dla | SPE7M426V2077 | |
| Nov 3, 2021 | Seal Dynamics LLC 5N582 | 471 | $32.75 | Dla | SPE7L122P1368 |
Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 6 buys on record in total.
Sellers with confirmed stock
No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on A922200-00772.
Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.
DLA management data
- FLIS unit price
- $43.62
- Unit of issue
- EA
- Acquisition advice
- Z — Insurance item
- Source of supply
- SMS
- Effective
- Feb 1, 2026
Item characteristics
- Cross-Sectional Height
- INCHES MINIMUM 0.135 AND INCHES MAXIMUM 0.143
- Center Hole Diameter
- INCHES MINIMUM 1.478 AND INCHES MAXIMUM 1.490
- End Item Identification
- B-52
- Material
- RUBBER FLUOROCARBON CLASS FPM
About this page
An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.
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