Acquisition method (AMC)
1
FSC 5310 × WASHER,LOCK
WASHER,LOCK
5310-01-057-3769 FSC 5310
NSN 5310-01-057-3769 (also written 5310010573769; NIIN 01-057-3769) is a washer, lock in Federal Supply Class 5310, Nuts and Washers. 5 manufacturer part numbers from 4 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)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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 |
|---|---|
| HOLE DIAMETER AAUB | INCHES MINIMUM 0.377 AND INCHES MAXIMUM 0.385 |
| OUTSIDE DIAMETER ABKV | INCHES MAXIMUM 0.550 |
| MATERIAL THICKNESS ABPX | INCHES MINIMUM 0.125 |
| MINIMUM TENSILE STRENGTH CQBC | POUNDS PER SQUARE INCH 155000 |
| HARDNESS RATING CQFM | ROCKWELL C MINIMUM 33.0 AND ROCKWELL C MAXIMUM 40.0 |
| HEAT TREATMENT HEAT | COLD DRAWN AND AGE HARDENING |
| MATERIAL MATT | OVERALL NICKEL ALLOY |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-N-286,CL A,F- 2 QQ-N-286 |
| STYLE DESIGNATOR STYL | — |
| NONDEFINITIVE SPEC/STD DATA ZZZT | CLASS G |
| DEPARTURE FROM CITED DOCUMENT ZZZW | AS MODIFIED BY MATERIAL |
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 |
|---|---|---|
| 4398602-A-107 | 25685 | NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIVISION SUBMARINE ANTENNA QUALITY ASSURANCE |
| 4398602-A-107 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| FF-W-84 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| MS51848-12MONEL | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| SS-585-4398602 ITEM 107 | 25685 | NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIVISION SUBMARINE ANTENNA QUALITY ASSURANCE |
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
$9.00
Purchases
1
Total spend
$351.00
Oct 14, 2026
Last purchased
2 · 2.0/yr
Purchase records
$702.00
Total demand
$9.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 14, 2026 | 39 | $9.00 | $351.00 | FABRICATION SPECIALTY INC DBA FABRICATION SPECIALTY INC (28548) | Unknown | Source ↗ |
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 14, 2026 | SPE4A627V0471 ↗ | FABRICATION SPECIALTY INC DBA FABRICATION SPECIALTY INC | — | $351.00 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
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
FABRICATION SPECIALTY INC DBA FABRICATION SPECIALTY INC
last award Oct 2026
FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
no award yet
no awards on record
Listed source MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
no award yet
no awards on record
Listed source NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIVISION SUBMARINE ANTENNA QUALITY ASSURANCE
no award yet
no awards on record
Listed source ZF INDUSTRIEANTRIEBE WITTEN GMBH
no award yet
no awards on record
Listed source FABRICATION SPECIALTY INC DBA FABRICATION SPECIALTY INC won the only award on record. FABRICATION SPECIALTY INC DBA FABRICATION SPECIALTY INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-29TS | Sep 16, 2026 | Sep 23, 2026 | 39 | 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.
- Data last refreshed: 2026-10-15.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,LOCK." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-057-3769/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-057-3769/