Acquisition method (AMC)
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FSC 5331 × O-RING
O-RING
5331-12-344-6600 FSC 5331
NSN 5331-12-344-6600 (also written 5331123446600; NIIN 12-344-6600) is an o-ring in Federal Supply Class 5331, O-Rings. It was last purchased in Sep 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
$11.00
Purchases
2
Total spend
$1,389
Sep 24, 2026
Last purchased
4 · 4.0/yr
Purchase records
$2,778
Total demand
$11.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 24, 2026 | 117 | $11.00 | $1,287 | MDF TECHNOLOGIES INC DBA MDF INTERNATIONAL (1P0H6) | Unknown | Source ↗ |
| Sep 11, 2026 | 1 | $102.09 | $102.09 | CENTRAL POWER SYSTEMS & SERVICES, LLC (0PJT5) | 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 |
|---|---|---|---|---|
| Sep 11, 2026 | SPE7L126V226B ↗ | CENTRAL POWER SYSTEMS & SERVICES, LLC | — | $102.09 |
| Sep 24, 2026 | SPE7L126V246M ↗ | — | — | $1,287 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 5 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.
Time from solicitation to award
How long does a buy take from posting to award? One bar per past award that matches a solicitation.
- Open for quotes
- Closed, awaiting award
The typical buy took 18 days from posting to award.
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
MDF TECHNOLOGIES INC DBA MDF INTERNATIONAL
last award Sep 2026
CENTRAL POWER SYSTEMS & SERVICES, LLC
last award Sep 2026
MDF TECHNOLOGIES INC DBA MDF INTERNATIONAL won 1 of the last 2 awards.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7L0-27-Q-0023 | Oct 15, 2026 | Oct 22, 2026 | 1 | Expired | View at DIBBS → |
| SPE7L1-26-T-10R3 | Sep 11, 2026 | Sep 21, 2026 | 117 | Expired | View at DIBBS → |
| SPE7L1-26-T-02L4 | Aug 26, 2026 | Sep 8, 2026 | 1 | Expired | View at DIBBS → |
| SPE7L1-26-T-992B | Aug 20, 2026 | Aug 31, 2026 | 1 | Expired | View at DIBBS → |
| SPE7L1-26-T-977N | Aug 18, 2026 | Aug 28, 2026 | 1 | Cancelled | 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: 2026-10-23.
- Full methodology →
Cite this page
Citation
NSN Explorer. "O-RING." nsnexplorer.com, https://nsnexplorer.com/nsn/5331-12-344-6600/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5331-12-344-6600/