Acquisition method (AMC)
3
FSC 5310 × NUT,SELF-LOCKING,EXTENDED WASHER
NUT,SELF-LOCKING,EXTENDED WASHER
5310-00-612-9003 FSC 5310
NSN 5310-00-612-9003 (also written 5310006129003; NIIN 00-612-9003) is a nut, self-locking, extended washer in Federal Supply Class 5310, Nuts and Washers. 4 manufacturer part numbers from 4 suppliers are on record. No purchases are on record yet.
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)
L
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC L: annual buy value is below the screening threshold. 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 |
|---|---|
| SURFACE TREATMENT SFTT | OVERALL CADMIUM |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 6280 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 6300 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 6322 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.250 |
| MATERIAL MATT | OVERALL STEEL |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH CMLP | 28 |
| HARDNESS RATING CQFM | ROCKWELL C MINIMUM 34.0 AND ROCKWELL C MAXIMUM 43.0 |
| OVERALL HEIGHT ABKW | INCHES MAXIMUM 0.290 |
| NUT STYLE ACTA | — |
| WASHER THICKNESS ADEM | INCHES MINIMUM 0.040 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.367 AND INCHES MAXIMUM 0.376 |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 450.0 |
| WASHER OUTSIDE DIAMETER AAVX | INCHES MAXIMUM 0.444 |
| LUBRICATION ABAJ | DRY FILM LUBRICANT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 1,CL 3 QQ--416 |
| THREAD CLASS AAJD | 3B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
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 |
|---|---|---|
| 3051G63-001 | 01289 | GENERAL ELECTRIC COMPANY |
| 3051G63-001 | 17454 | TIMKEN GEARS & SERVICES INC. DBA PHILADELPHIA GEAR DIV TIMKEN POWER SYSTEMS |
| 42FLW-428 | 57878 | BOR-CA MACHINE TOOL CO |
| 42FLW428 | 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
—
—
Last purchased
—
Purchase records
—
Total demand
—
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.
No related contract actions on record.
Demand history
Every solicitation we've indexed for this NSN, open and closed — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-24TP | Aug 31, 2026 | Sep 11, 2026 | 3,315 | Expired | View at DIBBS → |
| SPE4A6-26-T-17SP | Aug 17, 2026 | Aug 28, 2026 | 1,060 | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,EXTENDED WASHER." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-612-9003/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-612-9003/