Acquisition method (AMC)
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FSC 5331 × O-RING
O-RING
5331-99-728-9844 FSC 5331
NSN 5331-99-728-9844 (also written 5331997289844; NIIN 99-728-9844) is an o-ring in Federal Supply Class 5331, O-Rings. It was last purchased in Oct 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
No acquisition method code is on record for this item.
Suffix (AMSC)
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Competition
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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
$4.31
Purchases
1
Total spend
$1,763
Oct 9, 2026
Last purchased
2 · 2.0/yr
Purchase records
$3,526
Total demand
$4.31
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 9, 2026 | 409 | $4.31 | $1,763 | KAMPI COMPONENTS CO INC (7Z016) | Unknown | Source ↗ |
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.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Oct 9, 2026 | SPE7L127V0439 ↗ | KAMPI COMPONENTS CO INC | — | $1,763 |
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.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
KAMPI COMPONENTS CO INC
last award Oct 2026
KAMPI COMPONENTS CO INC won the only award on record.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7L1-27-T-0098 | Oct 2, 2026 | Oct 13, 2026 | 409 | 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.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-10.
- Full methodology →
Cite this page
Citation
NSN Explorer. "O-RING." nsnexplorer.com, https://nsnexplorer.com/nsn/5331-99-728-9844/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5331-99-728-9844/