Acquisition method (AMC)
3
FSC 5310 × NUT,SELF-LOCKING,BARREL
NUT,SELF-LOCKING,BARREL
5310-01-145-0814 FSC 5310
NSN 5310-01-145-0814 (also written 5310011450814; NIIN 01-145-0814) is a nut, self-locking, barrel in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 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)
C
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 |
| COUNTERBORE DIAMETER AAWY | NUT INCHES MINIMUM 0.594 AND INCHES MAXIMUM 0.604 |
| LUBRICATION ABAJ | DRY FILM LUBRICANT |
| NUT STYLE ACTA | — |
| NUT DIAMETER ACTD | INCHES MINIMUM 0.870 AND INCHES MAXIMUM 0.872 |
| NUT LENGTH ACVN | INCHES MINIMUM 1.084 AND INCHES MAXIMUM 1.104 |
| BARREL HEIGHT ADBA | INCHES MINIMUM 0.580 AND INCHES MAXIMUM 0.590 |
| NUT HEIGHT ADEA | INCHES MAXIMUM 0.765 |
| NUT COUNTERBORE DEPTH ADFK | NUT INCHES MINIMUM 0.214 AND INCHES MAXIMUM 0.224 |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 450.0 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH CMLP | 18 |
| HARDNESS RATING CQFM | ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 43.0 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.562 |
| SPECIAL FEATURES FEAT | CRADLE HARDNESS ROCKWELL C SCALE MIN 41 MAX 48 |
| MATERIAL MATT | OVERALL STEEL |
| SURFACE TREATMENT SFTT | NUT CADMIUM |
| SURFACE TREATMENT SFTT | BASE CADMIUM AND CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | NUT FED SPEC SINGLE TREATMENT RESPONSE QQ--416,CL 2 QQ--416 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | BASE FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 2 QQ--416 |
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 |
|---|---|---|
| 5310PL1938134 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| RMLH2577-098 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| RMLH2577-098 | 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
—
Purchases
0
Total spend
—
Sep 29, 2026
Last purchased
3 · 3.0/yr
Purchase records
$61,998
Total demand
$20,422
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 |
|---|---|---|---|---|
| Sep 29, 2026 | SPE4A622D0041/SPE4A624F017X ↗ | T.P.S. AVIATION INC | — | $21,153 |
| Sep 29, 2026 | SPE4A622D0041/SPE4A624F3253 ↗ | T.P.S. AVIATION INC | — | $20,422 |
| Sep 29, 2026 | SPE4A622D0041/SPE4A624F459J ↗ | T.P.S. AVIATION INC | — | $20,422 |
Demand history
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
T.P.S. AVIATION INC
last award Sep 2026
HARVARD INDUSTRIES 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 SPS TECHNOLOGIES, LLC DBA PB FASTENERS
no award yet
no awards on record
Listed source T.P.S. AVIATION INC won 3 of the last 3 awards. T.P.S. AVIATION INC won without being a listed source.
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: 2026-09-30.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,BARREL." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-145-0814/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-145-0814/