Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,EXTENDED WASHER
NUT,SELF-LOCKING,EXTENDED WASHER
5310-00-181-6824 FSC 5310
NSN 5310-00-181-6824 (also written 5310001816824; NIIN 00-181-6824) is a nut, self-locking, extended washer in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 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)
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 |
|---|---|
| NOMINAL THREAD SIZE CQJX | INCHES 0.312 |
| OVERALL HEIGHT ABKW | INCHES MINIMUM 0.350 AND INCHES MAXIMUM 0.360 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.367 AND INCHES MAXIMUM 0.376 |
| PRECIOUS MATERIAL PRMT | SILVER |
| SURFACE TREATMENT SFTT | OVERALL SILVER |
| MATERIAL MATT | OVERALL IRON ALLOY 660 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH CMLP | 24 |
| THREAD CLASS AAJD | 3B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL MFR REF SINGLE TREATMENT RESPONSE 410,ELASTIC STO NUT COR |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 1200.0 |
| NUT STYLE ACTA | — |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5735 |
| WASHER OUTSIDE DIAMETER AAVX | INCHES MINIMUM 0.510 AND INCHES MAXIMUM 0.520 |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
| WASHER THICKNESS ADEM | INCHES NOMINAL 0.063 |
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 |
|---|---|---|
| 57571-524 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| 6828831-524 | 73342 | ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, 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
—
Oct 13, 2026
Last purchased
1 · 1.0/yr
Purchase records
$20,149
Total demand
$20,149
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 |
|---|---|---|---|---|
| Oct 13, 2026 | SPE4A627P1918 ↗ | AERO-GLEN INTERNATIONAL LLC | — | $20,149 |
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
AERO-GLEN INTERNATIONAL LLC
last award Oct 2026
ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC
no award yet
no awards on record
Listed source SPS TECHNOLOGIES, LLC DBA PB FASTENERS
no award yet
no awards on record
Listed source AERO-GLEN INTERNATIONAL LLC won the only award on record. AERO-GLEN INTERNATIONAL LLC 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 14, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-14.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,EXTENDED WASHER." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-181-6824/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-181-6824/