Acquisition method (AMC)
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FSC 5331 × O-RING SET
O-RING SET
5331-12-428-6403 FSC 5331
NSN 5331-12-428-6403 (also written 5331124286403; NIIN 12-428-6403) is an o-ring set in Federal Supply Class 5331, O-Rings. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE7L1-27-T-1242 | 3 | Closes in 4d | Bid → |
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
$278.00
Purchases
1
Total spend
$278.00
Sep 25, 2026
Last purchased
2 · 2.0/yr
Purchase records
$556.00
Total demand
$278.00
Latest unit price
Purchase history
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 |
|---|---|---|---|---|
| Sep 25, 2026 | SPE7L126V256M ↗ | — | — | $278.00 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
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
CAGE 8YS20
last award Sep 2026
CAGE 8YS20 won the only award on record.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7L1-27-T-1242 | Oct 13, 2026 | Oct 23, 2026 | 3 | Open | View at DIBBS → |
| SPE7L1-26-T-15F4 | Sep 22, 2026 | Oct 2, 2026 | 1 | 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: 2026-10-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "O-RING SET." nsnexplorer.com, https://nsnexplorer.com/nsn/5331-12-428-6403/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5331-12-428-6403/