Acquisition method (AMC)
1
FSC 5331 × O-RING
O-RING
5331-01-381-0071 FSC 5331
NSN 5331-01-381-0071 (also written 5331013810071; NIIN 01-381-0071) is an o-ring in Federal Supply Class 5331, O-Rings. 6 manufacturer part numbers from 4 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)
T
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC T: handled under qualified products list procedures. 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 |
|---|---|
| END ITEM IDENTIFICATION AGAV | VALVE RELIEF .75IPS |
| CRITICALITY CODE JUSTIFICATION CRTL | ZZZW |
| DEPARTURE FROM CITED DOCUMENT ZZZW | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D MIL-STD-1330D |
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 |
|---|---|---|
| MS28775-213 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| MS28775-213 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| MS28775-213 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MS28775-213CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
| MS28775-213CP | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| SAE-AS28775 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
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
—
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.
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7L1-26-T-15V4 | Sep 23, 2026 | Oct 8, 2026 | 57 | Expired | View at DIBBS → |
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 Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "O-RING." nsnexplorer.com, https://nsnexplorer.com/nsn/5331-01-381-0071/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5331-01-381-0071/