Acquisition method (AMC)
3
FSC 5310 × NUT,SELF-LOCKING,BARREL
NUT,SELF-LOCKING,BARREL
5310-00-579-1761 FSC 5310
NSN 5310-00-579-1761 (also written 5310005791761; NIIN 00-579-1761) is a nut, self-locking, barrel in Federal Supply Class 5310, Nuts and Washers. 6 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Aug 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)
P
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC P: the government does not own the rights to the data needed for more sources. 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 |
|---|---|
| NUT HEIGHT ADEA | INCHES NOMINAL 1.270 |
| NUT LENGTH ACVN | INCHES NOMINAL 1.728 |
| BARREL HEIGHT ADBA | INCHES MINIMUM 1.010 AND INCHES MAXIMUM 1.030 |
| NUT DIAMETER ACTD | INCHES MINIMUM 1.551 AND INCHES MAXIMUM 1.554 |
| COUNTERBORE DIAMETER AAWY | NUT INCHES MINIMUM 1.027 AND INCHES MAXIMUM 1.037 |
| NUT STYLE ACTA | — |
| THREAD CLASS AAJD | 3B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL EXCEPT INSERT FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 1,CL 3 QQ--416 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | NUT FED STD 2ND MATERIAL RESPONSE 66 OR MIL SPEC 3RD MATERIAL RESPONSE -IL-S-5000 |
| SURFACE TREATMENT SFTT | OVERALL EXCEPT INSERT CADMIUM |
| MATERIAL MATT | NUT STEEL COMP 4130 OR STEEL COMP 4340 |
| NOMINAL THREAD SIZE CQJX | INCHES 1.000 |
| MATERIAL MATT | LOCKING INSERT PLASTIC POLYAMIDE NYLON |
| NUT COUNTERBORE DEPTH ADFK | NUT INCHES MINIMUM 0.277 AND INCHES MAXIMUM 0.297 |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 250.0 |
| THREAD SERIES BZRR | UNS |
| FEATURES PROVIDED CBBL | FLOATING NUT |
| THREAD QUANTITY PER INCH CMLP | 14 |
| HARDNESS RATING CQFM | ROCKWELL C MINIMUM 29.0 AND ROCKWELL C MAXIMUM 37.0 |
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 |
|---|---|---|
| 2752-164 | 72962 | HARVARD INDUSTRIES INC |
| 5310PL1184640 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| BFN00941X164 | 27238 | BRISTOL INDUSTRIES, LLC |
| F2752-164 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| F2752-164 | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY |
| F54629-16 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS 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
—
Purchases
0
Total spend
—
Aug 19, 2026
Last purchased
1 · 1.0/yr
Purchase records
$42,626
Total demand
$42,626
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.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Aug 19, 2026 | SPE4A026P2428 ↗ | ADEPT FASTENERS INC | — | $42,626 |
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.
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
ADEPT FASTENERS INC
last award Aug 2026
BRISTOL INDUSTRIES, LLC
no award yet
no awards on record
Listed source HARVARD INDUSTRIES INC
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC
no award yet
no awards on record
Listed source JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX
no award yet
no awards on record
Listed source LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY
no award yet
no awards on record
Listed source SPS TECHNOLOGIES, LLC DBA PB FASTENERS
no award yet
no awards on record
Listed source ADEPT FASTENERS INC won the only award on record. ADEPT FASTENERS INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-31VS | Sep 18, 2026 | Sep 30, 2026 | 571 | 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: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,BARREL." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-579-1761/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-579-1761/