Acquisition method (AMC)
1
FSC 5310 × WASHER,CONCAVE
WASHER,CONCAVE
5310-01-069-6348 FSC 5310
NSN 5310-01-069-6348 (also written 5310010696348; NIIN 01-069-6348) is a washer, concave in Federal Supply Class 5310, Nuts and Washers. 12 manufacturer part numbers from 11 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)
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 0.433 AND INCHES MAXIMUM 0.439 |
| RADIUS ABGG | INCHES MINIMUM 0.375 AND INCHES MAXIMUM 0.380 |
| OUTSIDE DIAMETER ABKV | INCHES MINIMUM 0.650 AND INCHES MAXIMUM 0.660 |
| RECESS DEPTH ABMH | INCHES NOMINAL 0.092 |
| MATERIAL THICKNESS ABPX | INCHES MINIMUM 0.150 AND INCHES MAXIMUM 0.160 |
| SPECIAL FEATURES FEAT | DRY FILM AND CETYL ALCOHOL LUBRICATION |
| MATERIAL MATT | OVERALL IRON ALLOY 660 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5737 |
| SURFACE TREATMENT SFTT | OVERALL PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35 |
| STYLE DESIGNATOR STYL | — |
| SPECIFICATION/STANDARD DATA ZZZK | MANUFACTURERS STANDARD 76301-ST3-469 |
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 |
|---|---|---|
| 10122077 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
| K49661P5 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| ST3M469C5MA | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| ST3M469C5MA | 76301 | THE BOEING COMPANY DIV DEFENSE |
| TLN1023CD3L5W | 17446 | HUCK INTERNATIONAL, INC |
| TLN1023CD3L5W | 27624 | SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS |
| TLN1023CD3L5W | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| TLN1023CD3L5W | 59563 | REID PRODUCTS INC. DBA REID PRODUCTS INC |
| TLN1023CD3L5W | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
| TLN1023CD3L5W | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS |
| TLN1023CD3L5W | 97928 | HUCK INTL INC |
| TLN1023CD3L5W | C4293 | FAIRCHILD FASTENERS EUROPE - VSD 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
$12.10
Purchases
1
Total spend
$62,013
Oct 14, 2026
Last purchased
2 · 2.0/yr
Purchase records
$124,025
Total demand
$12.10
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 14, 2026 | 5,125 | $12.10 | $62,013 | ADEPT FASTENERS INC (1V0G6) | 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 | SPE4A627P1926 ↗ | ADEPT FASTENERS INC | — | $62,013 |
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.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
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
ADEPT FASTENERS INC
last award Oct 2026
FAIRCHILD FASTENERS EUROPE - VSD GMBH
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC
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 HUCK INTERNATIONAL, INC
no award yet
no awards on record
Listed source HUCK INTL INC
no award yet
no awards on record
Listed source NIMIKKEISTOKESKUS NCB FINLAND
no award yet
no awards on record
Listed source REID PRODUCTS INC. DBA REID PRODUCTS INC
no award yet
no awards on record
Listed source ADEPT FASTENERS INC won the only award on record. ADEPT FASTENERS INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-25WS | Sep 2, 2026 | Sep 9, 2026 | 200 | Expired | View at DIBBS → |
| SPE4A6-26-T-11VE | Aug 5, 2026 | Aug 17, 2026 | 5,125 | 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,CONCAVE." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-069-6348/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-069-6348/