Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,EXTENDED WASHER
NUT,SELF-LOCKING,EXTENDED WASHER
5310-01-322-8737 FSC 5310
NSN 5310-01-322-8737 (also written 5310013228737; NIIN 01-322-8737) is a nut, self-locking, extended washer in Federal Supply Class 5310, Nuts and Washers. 9 manufacturer part numbers from 7 suppliers are 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)
B
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, 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 0.560 AND INCHES MAXIMUM 0.570 |
| OVERALL HEIGHT ABKW | INCHES MINIMUM 0.240 AND INCHES MAXIMUM 0.250 |
| NUT STYLE ACTA | — |
| WASHER THICKNESS ADEM | INCHES MINIMUM 0.030 AND INCHES MAXIMUM 0.050 |
| WIDTH ACROSS FLATS ASDB | INCHES NOMINAL 0.347 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH CMLP | 28 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.250 |
| MATERIAL MATT | OVERALL IRON ALLOY 660 |
| PRECIOUS MATERIAL AND LOCATION PMLC | SILVER EXTERNAL SURFACES |
| 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 |
|---|---|---|
| 23009249 | 06710 | VALLEY-TODECO, INC. DBA ARCONIC FASTENING SYSTEMS |
| 23009249 | 27238 | BRISTOL INDUSTRIES, LLC |
| 23009249 | 5M696 | UFC AEROSPACE CORP. |
| 23009249 | 63005 | ROLLS-ROYCE CORPORATION |
| 23009249 | 73342 | ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC |
| 23009249 | 74703 | LOCKHEED MARTIN AERONAUTICAL SYSTEMS SUPPORT COMPANY DBA LMASSC |
| 5310PL2047887 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| BH00784-4 | 27238 | BRISTOL INDUSTRIES, LLC |
| VCV0011 | 06710 | VALLEY-TODECO, INC. DBA ARCONIC FASTENING SYSTEMS |
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
—
Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
—
Total demand
—
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 | |
|---|---|---|---|---|---|
| SPE4A6-26-T-27QD | Sep 10, 2026 | Sep 22, 2026 | 9,389 | 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. "NUT,SELF-LOCKING,EXTENDED WASHER." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-322-8737/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-322-8737/