Acquisition method (AMC)
3
FSC 5310 × NUT,SELF-LOCKING,EXTENDED WASHER
NUT,SELF-LOCKING,EXTENDED WASHER
5310-00-913-5431 FSC 5310
NSN 5310-00-913-5431 (also written 5310009135431; NIIN 00-913-5431) is a nut, self-locking, extended washer in Federal Supply Class 5310, Nuts and Washers. 8 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Oct 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
B
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC B: must be bought from the sources named on a source control or selected item drawing. 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 |
|---|---|
| THREAD CLASS AAJD | 3B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
| WASHER OUTSIDE DIAMETER AAVX | INCHES MINIMUM 0.365 AND INCHES MAXIMUM 0.385 |
| OVERALL HEIGHT ABKW | INCHES MINIMUM 0.340 AND INCHES MAXIMUM 0.355 |
| NUT STYLE ACTA | — |
| WASHER THICKNESS ADEM | INCHES MINIMUM 0.052 AND INCHES MAXIMUM 0.072 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.304 AND INCHES MAXIMUM 0.313 |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 1200.0 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH CMLP | 32 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.190 |
| MATERIAL MATT | OVERALL IRON ALLOY 660 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5735 |
| PRECIOUS MATERIAL PRMT | SILVER |
| SURFACE TREATMENT SFTT | OVERALL SILVER |
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 |
|---|---|---|
| 58050-1032 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| R1182P003B | 24446 | GENERAL ELECTRIC COMPANY |
| R1182P003B | 72962 | HARVARD INDUSTRIES INC |
| R1182P003B | 99207 | GENERAL ELECTRIC COMPANY DBA GE AEROSPACE |
| R1182P003D | 2N335 | PATTONAIR USA, INC. |
| R1182P003D | 99207 | GENERAL ELECTRIC COMPANY DBA GE AEROSPACE |
| Z6122-02 | 72962 | HARVARD INDUSTRIES INC |
| Z6122A02 | 72962 | HARVARD INDUSTRIES INC |
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
$432.6329
Purchases
1
Total spend
$350,000
Oct 29, 2026
Last purchased
2 · 2.0/yr
Purchase records
$700,000
Total demand
$432.6329
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 |
|---|---|---|---|---|
| Oct 29, 2026 | SPE4A627D60GA ↗ | — | — | $350,000 |
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.
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 10TD1
last award Oct 2026
GENERAL ELECTRIC COMPANY
no award yet
no awards on record
Listed source GENERAL ELECTRIC COMPANY DBA GE AEROSPACE
no award yet
no awards on record
Listed source HARVARD INDUSTRIES INC
no award yet
no awards on record
Listed source PATTONAIR USA, INC.
no award yet
no awards on record
Listed source SPS TECHNOLOGIES, LLC DBA PB FASTENERS
no award yet
no awards on record
Listed source CAGE 10TD1 won the only award on record. CAGE 10TD1 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-U-4200 | Sep 16, 2026 | Oct 6, 2026 | 809 | Expired | View at DIBBS → |
| SPE4A6-26-T-33JX | Sep 21, 2026 | Oct 1, 2026 | 471 | 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.
- Data last refreshed: 2026-11-01.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,EXTENDED WASHER." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-913-5431/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-913-5431/