Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,EXTENDED WASHER
NUT,SELF-LOCKING,EXTENDED WASHER
5310-01-116-1207 FSC 5310
NSN 5310-01-116-1207 (also written 5310011161207; NIIN 01-116-1207) is a nut, self-locking, extended washer in Federal Supply Class 5310, Nuts and Washers. 11 manufacturer part numbers from 9 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 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.
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 0.420 |
| LUBRICATION ABAJ | DRY FILM LUBRICANT |
| OVERALL HEIGHT ABKW | INCHES MINIMUM 0.173 AND INCHES MAXIMUM 0.203 |
| NUT STYLE ACTA | — |
| WASHER THICKNESS ADEM | INCHES NOMINAL 0.020 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.306 AND INCHES MAXIMUM 0.316 |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 450.0 |
| 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 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL NATIONAL SPEC ALL MATERIAL RESPONSES A-S5737 OR NATIONAL SPEC ALL MATERIAL RESPONSES A-S5525 |
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 |
|---|---|---|
| 10109286 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
| 79318CM-428 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| BH788-4 | 27238 | BRISTOL INDUSTRIES, LLC |
| E12589-4 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| E12589-4 | 72962 | HARVARD INDUSTRIES INC |
| E12589-4 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
| LCN12-428 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| MC15189 | 76050 | EATON AEROSPACE LLC DBA STERER ENGINEERING DIV M.C.AEROSPACE |
| SLN206-3 | 16258 | SPACE-LOK, INC. DBA SPACE-LOK INC DIV SPACE-LOK |
| ST3M788-4 | 76301 | THE BOEING COMPANY DIV DEFENSE |
| ST3M788-4 | A3856 | PAOLO ASTORI SPA |
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 8, 2026
Last purchased
2 · 2.0/yr
Purchase records
$11,797
Total demand
$9,821
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 13, 2026 | SPE4A726D5234/SPE4A726F9402 ↗ | — | — | $1,976 |
| Sep 8, 2026 | SPE4A626PK445 ↗ | WESCO AIRCRAFT HARDWARE CORP. DBA INCORA | — | $9,821 |
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
WESCO AIRCRAFT HARDWARE CORP. DBA INCORA
last award Sep 2026
CAGE 13W08
last award Aug 2026
BRISTOL INDUSTRIES, LLC
no award yet
no awards on record
Listed source EATON AEROSPACE LLC DBA STERER ENGINEERING DIV M.C.AEROSPACE
no award yet
no awards on record
Listed source HARVARD INDUSTRIES INC
no award yet
no awards on record
Listed source NIMIKKEISTOKESKUS NCB FINLAND
no award yet
no awards on record
Listed source PAOLO ASTORI SPA
no award yet
no awards on record
Listed source SPACE-LOK, INC. DBA SPACE-LOK INC DIV SPACE-LOK
no award yet
no awards on record
Listed source WESCO AIRCRAFT HARDWARE CORP. DBA INCORA won 1 of the last 2 awards. WESCO AIRCRAFT HARDWARE CORP. DBA INCORA and 1 other won without being listed sources.
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 27, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,EXTENDED WASHER." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-116-1207/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-116-1207/