Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,EXTENDED WASHER
NUT,SELF-LOCKING,EXTENDED WASHER
5310-00-773-0448 FSC 5310
NSN 5310-00-773-0448 (also written 5310007730448; NIIN 00-773-0448) is a nut, self-locking, extended washer in Federal Supply Class 5310, Nuts and Washers. 11 manufacturer part numbers from 5 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.
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 |
|---|---|
| LOCKING FEATURE AAUM | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| SURFACE TREATMENT SFTT | OVERALL EXCEPT INSERT CADMIUM |
| WASHER OUTSIDE DIAMETER AAVX | INCHES MINIMUM 1.615 AND INCHES MAXIMUM 1.625 |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| OVERALL HEIGHT ABKW | INCHES NOMINAL 1.125 |
| NUT STYLE ACTA | — |
| WASHER THICKNESS ADEM | INCHES NOMINAL 0.328 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 1.177 AND INCHES MAXIMUM 1.190 |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 250.0 |
| THREAD CLASS AAJD | 3B |
| THREAD SERIES BZRR | UNS |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL EXCEPT INSERT ASSN STD ALL MATERIAL RESPONSES AISI |
| NOMINAL THREAD SIZE CQJX | INCHES 1.000 |
| MATERIAL MATT | LOCKING INSERT PLASTIC POLYAMIDE NYLON |
| THREAD QUANTITY PER INCH CMLP | 14 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL EXCEPT INSERT FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 1,CL 3 QQ--416 |
| MATERIAL MATT | OVERALL EXCEPT INSERT STEEL COMP 4130 OR STEEL COMP 4340 OR STEEL COMP 3140 OR STEEL COMP 8740 |
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 |
|---|---|---|
| 12NH-164 | 019L2 | ESNA, LLC |
| 418L417 ITEM 29 | 01289 | GENERAL ELECTRIC COMPANY |
| 418L417 ITEM 52 | 01289 | GENERAL ELECTRIC COMPANY |
| 653D682 PIECE 14 | 01289 | GENERAL ELECTRIC COMPANY |
| 653D682P-14 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| 653D783-21 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| 655D132P-21 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| 665D132P-21 | 01289 | GENERAL ELECTRIC COMPANY |
| EB164 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| EB164 | 72962 | HARVARD INDUSTRIES INC |
| PS1-1178-164 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
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 17, 2026
Last purchased
1 · 1.0/yr
Purchase records
$4,932
Total demand
$4,932
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 17, 2026 | SPE4A625D5869/SPE4A626F347B ↗ | — | — | $4,932 |
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
CAGE 6XGY8
last award Aug 2026
ESNA, LLC
no award yet
no awards on record
Listed source GENERAL ELECTRIC COMPANY
no award yet
no awards on record
Listed source HARVARD INDUSTRIES 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 ZF INDUSTRIEANTRIEBE WITTEN GMBH
no award yet
no awards on record
Listed source CAGE 6XGY8 won the only award on record. CAGE 6XGY8 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: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,EXTENDED WASHER." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-773-0448/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-773-0448/