Acquisition method (AMC)
1
FSC 5310 × WASHER,RECESSED
WASHER,RECESSED
5310-00-038-3971 FSC 5310
NSN 5310-00-038-3971 (also written 5310000383971; NIIN 00-038-3971) is a washer, recessed in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 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 0.313 AND INCHES MAXIMUM 0.315 |
| OUTSIDE DIAMETER ABKV | INCHES NOMINAL 0.680 |
| MATERIAL THICKNESS ABPX | INCHES NOMINAL 0.090 |
| TOP RECESS DIAMETER CQJW | INCHES NOMINAL 0.375 |
| BOTTOM RECESS ANGLE CRKG | DEGREES NOMINAL 90.0 |
| TOP RECESS ANGLE CRSD | DEGREES NOMINAL 90.0 |
| BOTTOM RECESS DIAMETER CSML | INCHES NOMINAL 0.375 |
| SURFACE FINISH CSYM | ALL SURFACES MICROINCHES 32.0 |
| MATERIAL MATT | OVERALL STEEL COMP 303 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-S-764 QQ-S-764 |
| 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 |
|---|---|---|
| 14-41666-1 | 0JRC1 | NORTHROP GRUMMAN TECHNICAL SERVICES, INC. DBA DEFENSE SYSTEMS SECTOR |
| 14-41666-1 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS |
| 14-41666-1 | 79U29 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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
$29.46
Purchases
1
Total spend
$2,475
Oct 19, 2026
Last purchased
2 · 2.0/yr
Purchase records
$4,949
Total demand
$29.46
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 19, 2026 | 84 | $29.46 | $2,475 | AMERICAN DEFENSE COMPONENTS, LLC (4U6M9) | 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 19, 2026 | SPE4A627P2374 ↗ | AMERICAN DEFENSE COMPONENTS, LLC | — | $2,475 |
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
AMERICAN DEFENSE COMPONENTS, LLC
last award Oct 2026
NORTHROP GRUMMAN SYSTEMS CORPORATION
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 NORTHROP GRUMMAN TECHNICAL SERVICES, INC. DBA DEFENSE SYSTEMS SECTOR
no award yet
no awards on record
Listed source AMERICAN DEFENSE COMPONENTS, LLC won the only award on record. AMERICAN DEFENSE COMPONENTS, LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-26ZS | Sep 8, 2026 | Sep 15, 2026 | 84 | 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: 2026-10-20.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,RECESSED." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-038-3971/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-038-3971/