Acquisition method (AMC)
1
FSC 4240 × KIT,INLET VALVE REPAIR
KIT,INLET VALVE REPAIR
4240-01-221-0391 FSC 4240
NSN 4240-01-221-0391 (also written 4240012210391; NIIN 01-221-0391) is a kit, inlet valve repair in Federal Supply Class 4240, Safety and Rescue Equipment. 1 manufacturer part number from 1 supplier is 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)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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 |
|---|---|
| SPECIAL FEATURES FEAT | POLYTETRAFLUOROETHYLENE WASHER,PN 5-1-1377; CUP SEAL,PN 5-1-1353; O-RINGS,PNS 5-1-131,9-1 AND -2; E-RING,PN MS16633-4017;INLET VALVE DISK,PN 5-1-1366; CHECK VALVE,PN 5-1-1403;WASHER,THRUST,PN 5-1-1451; RETAINING RINGS,PNS MS16624-4025 AND -4037. MS16633-4017 |
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 |
|---|---|---|
| 5-1-1758 | 81361 | EDGEWOOD CHEMICAL BIOLOGICAL CENTER ECBC |
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
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Purchase records
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Total demand
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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 | |
|---|---|---|---|---|---|
| SPE8E5-26-T-3935 | Aug 7, 2026 | Aug 17, 2026 | 5 | 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. "KIT,INLET VALVE REPAIR." nsnexplorer.com, https://nsnexplorer.com/nsn/4240-01-221-0391/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4240-01-221-0391/