Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,ASSEMBLED WASHE
NUT,SELF-LOCKING,ASSEMBLED WASHE
5310-01-111-6517 FSC 5310
NSN 5310-01-111-6517 (also written 5310011116517; NIIN 01-111-6517) is a nut, self-locking, assembled washe in Federal Supply Class 5310, Nuts and Washers. 7 manufacturer part numbers from 7 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 as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, 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.
Dimensioned drawing
Generated from the federal catalog's dimensional data for this NSN — reference only, not a manufacturing drawing.
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 MAXIMUM 0.460 |
| COUNTERBORE DIAMETER AAWY | NUT INCHES MINIMUM 0.283 AND INCHES MAXIMUM 0.288 |
| OVERALL HEIGHT ABKW | INCHES MAXIMUM 0.280 |
| NUT STYLE ACTA | — |
| NUT COUNTERBORE DEPTH ADFK | NUT INCHES MINIMUM 0.087 AND INCHES MAXIMUM 0.097 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.306 AND INCHES MAXIMUM 0.313 |
| TEMP RATING AZKQ | FAHRENHEIT MAXIMUM 450.0 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH CMLP | 28 |
| HARDNESS RATING CQFM | ROCKWELL C MINIMUM 39.0 AND ROCKWELL C MAXIMUM 43.0 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.250 |
| SPECIAL FEATURES FEAT | WASHER ROCKWELL C SCALE 40.0 MIN AND 45.0 MAX |
| MATERIAL MATT | WASHER STEEL |
| MATERIAL MATT | NUT STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | NUT MIL SPEC 1ST MATERIAL RESPONSE -IL-S-5000 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-5626 OR MIL SPEC 3RD MATERIAL RESPONSE -IL-S-6049 |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM AND CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL 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 |
|---|---|---|
| 5310PL2281850 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| BH00516A-4 | 27238 | BRISTOL INDUSTRIES, LLC |
| GHN10009-6 | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY |
| GHN10009-6 | A0170 | LEONARDO SPA AERONAUTICS DIVISION - POMIGLIANO D'ARCO SITE |
| KFN542-4 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| KFN542-4 | 17446 | HUCK INTERNATIONAL, INC |
| KFN542-4 | 75237 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV MICRODOT PRODUCTS |
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
$1.55
Purchases
1
Total spend
$5,064
Aug 26, 2026
Last purchased
2 · 2.0/yr
Purchase records
$10,128
Total demand
$1.55
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Aug 26, 2026 | 3,267 | $1.55 | $5,064 | CAVANAUGH GOVERNMENT GROUP, LLC (5UY76) | Unknown | Source ↗ |
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 26, 2026 | SPE4A626V334Q ↗ | CAVANAUGH GOVERNMENT GROUP, LLC | — | $5,064 |
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
CAVANAUGH GOVERNMENT GROUP, LLC
last award Aug 2026
BRISTOL INDUSTRIES, LLC
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC. DIV MICRODOT PRODUCTS
no award yet
no awards on record
Listed source HUCK INTERNATIONAL, 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 LEONARDO SPA AERONAUTICS DIVISION - POMIGLIANO D'ARCO SITE
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 CAVANAUGH GOVERNMENT GROUP, LLC won the only award on record. CAVANAUGH GOVERNMENT GROUP, LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-18WE | Aug 18, 2026 | Aug 25, 2026 | 3,267 | 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: 2026-10-28.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,ASSEMBLED WASHE." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-111-6517/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-111-6517/