Acquisition method (AMC)
3
FSC 5310 × NUT,SELF-LOCKING,EXTENDED WASHER
NUT,SELF-LOCKING,EXTENDED WASHER
5310-00-161-0029 FSC 5310
NSN 5310-00-161-0029 (also written 5310001610029; NIIN 00-161-0029) 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 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)
D
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. 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 |
|---|---|
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.492 AND INCHES MAXIMUM 0.502 |
| NUT STYLE ACTA | — |
| WASHER THICKNESS ADEM | INCHES MINIMUM 0.110 AND INCHES MAXIMUM 0.130 |
| WASHER OUTSIDE DIAMETER AAVX | INCHES MINIMUM 0.730 AND INCHES MAXIMUM 0.740 |
| OVERALL HEIGHT ABKW | INCHES MINIMUM 0.487 AND INCHES MAXIMUM 0.497 |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
| THREAD CLASS AAJD | 3B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 3 QQ--416 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD 1ST MATERIAL RESPONSE A-S 6280 OR ASSN STD 2ND MATERIAL RESPONSE A-S8740 |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM |
| MATERIAL MATT | OVERALL STEEL COMP 8630 OR STEEL COMP 8740 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.375 |
| HARDNESS RATING CQFM | ROCKWELL C MINIMUM 27.0 AND ROCKWELL C MAXIMUM 32.0 |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 450.0 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH CMLP | 24 |
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 |
|---|---|---|
| 11177599 | 17773 | BALLISTIC MISSILE DEFENSE SYSTEMS COMMAND |
| EWN22A624 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
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 12, 2026
Last purchased
1 · 1.0/yr
Purchase records
$1,610
Total demand
$1,610
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 12, 2026 | SPE4A026P2408 ↗ | BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC | — | $1,610 |
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
BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC
last award Aug 2026
BALLISTIC MISSILE DEFENSE SYSTEMS COMMAND
no award yet
no awards on record
Listed source SPS TECHNOLOGIES, LLC DBA PB FASTENERS
no award yet
no awards on record
Listed source BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC won the only award on record. BROWN HELICOPTER, INC. DBA BROWN HELICOPTER 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 Nov 4, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,EXTENDED WASHER." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-161-0029/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-161-0029/