AMSC / AMC
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FSC 5310 × NUT,SELF-LOCKING,EXTENDED WASHER
NUT,SELF-LOCKING,EXTENDED WASHER
5310-01-598-8901
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
Restricted — approved sources only, based on the latest AMSC/AMC on record.
Competition
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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 |
|---|---|
| THREAD CLASS AAJD | 2B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| WASHER OUTSIDE DIAMETER AAVX | MILLIMETERS NOMINAL 11.8 |
| OVERALL HEIGHT ABKW | MILLIMETERS NOMINAL 7.1 |
| NUT STYLE ACTA | — |
| WASHER THICKNESS ADEM | MILLIMETERS NOMINAL 1.0 |
| WIDTH ACROSS FLATS ASDB | MILLIMETERS NOMINAL 8.0 |
| TEMP RATING AZKQ | FAHRENHEIT MAXIMUM 250.0 |
| THREAD SERIES BZRR | M |
| HARDNESS RATING CQFM | ROCKWELL C NOMINAL 28.0 |
| NOMINAL THREAD SIZE CQJX | MILLIMETERS 5.0 |
| THREAD PITCH IN MILLIMETERS CQQR | 0.8 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | NYLON-INSERT HEX FLANGE LOCKNUT |
| MATERIAL MATT | LOCKING INSERT PLASTIC POLYAMIDE NYLON |
| MATERIAL MATT | OVERALL EXCEPT INSERT STEEL |
| SURFACE TREATMENT SFTT | OVERALL EXCEPT INSERT ZINC |
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 |
|---|---|---|
| 3931486C1 | 338X5 | ND DEFENSE LLC |
| 92461A200 | 39428 | MCMASTER-CARR SUPPLY CO |
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
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Last purchased
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Purchase records
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Total demand
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Latest award total
Price history
What the government paid per unit
Fewer than two priced purchases on record — see the table below.
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-906Y | Aug 4, 2026 | Aug 14, 2026 | 2 | 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.
- Full methodology →