Acquisition method (AMC)
1
FSC 5310 × WASHER,RECESSED
WASHER,RECESSED
5310-01-304-8739 FSC 5310
NSN 5310-01-304-8739 (also written 5310013048739; NIIN 01-304-8739) is a washer, recessed in Federal Supply Class 5310, Nuts and Washers. 7 manufacturer part numbers from 7 suppliers are on record. It was last purchased in Sep 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 |
|---|---|
| HOLE DIAMETER AAUB | INCHES MINIMUM 0.501 AND INCHES MAXIMUM 0.505 |
| OUTSIDE DIAMETER ABKV | INCHES MINIMUM 0.922 AND INCHES MAXIMUM 0.932 |
| RECESS DIAMETER ABMD | INCHES MINIMUM 0.614 AND INCHES MAXIMUM 0.624 |
| MATERIAL THICKNESS ABPX | INCHES MINIMUM 0.071 AND INCHES MAXIMUM 0.085 |
| RECESS ANGLE CSTM | DEGREES MINIMUM 80.0 AND DEGREES MAXIMUM 100.0 |
| MATERIAL MATT | OVERALL IRON ALLOY 660 OR NICKEL ALLOY 502 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD 1ST MATERIAL RESPONSE A-S 5525 OR ASSN STD 1ST MATERIAL RESPONSE A-S 5737 OR ASSN STD 2ND MATERIAL RESPONSE A-S 5596 OR ASSN STD 2ND MATERIAL RESPONSE A-S 5597 OR ASSN STD 2ND MATERIAL RESPONSE A-S 5662 |
| SURFACE TREATMENT SFTT | OVERALL ALUMINUM ALLOY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL ASSN STD SINGLE TREATMENT RESPONSE NAS 4006 NAS 4006 |
| STYLE DESIGNATOR STYL | — |
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 |
|---|---|---|
| 03A257C8A | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS |
| 03A257C8A | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS |
| AS19879C8A | 10630 | ANILLO INDUSTRIES LLC |
| MM118C8A | 58009 | MOELLER MANUFACTURING & SUPPLY, LLC |
| NS202860C8A | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
| VN948BF8C | 5M902 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV VOI-SHAN PRODUCTS |
| VN948BF8C | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS |
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
—
Sep 28, 2026
Last purchased
1 · 1.0/yr
Purchase records
$999.78
Total demand
$999.78
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 |
|---|---|---|---|---|
| Sep 28, 2026 | SPE4A626PYY80 ↗ | TAB HARDWARE, INC. DBA TAB HARDWARE INC | — | $999.78 |
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
TAB HARDWARE, INC. DBA TAB HARDWARE INC
last award Sep 2026
ANILLO INDUSTRIES LLC
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC. DIV VOI-SHAN PRODUCTS
no award yet
no awards on record
Listed source MOELLER MANUFACTURING & SUPPLY, LLC
no award yet
no awards on record
Listed source NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS
no award yet
no awards on record
Listed source NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS
no award yet
no awards on record
Listed source SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA
no award yet
no awards on record
Listed source TAB HARDWARE, INC. DBA TAB HARDWARE INC won the only award on record. TAB HARDWARE, INC. DBA TAB HARDWARE 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 Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-09-29.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,RECESSED." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-304-8739/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-304-8739/