Acquisition method (AMC)
1
FSC 5310 × WASHER,CONCAVE
WASHER,CONCAVE
5310-01-578-9721 FSC 5310
NSN 5310-01-578-9721 (also written 5310015789721; NIIN 01-578-9721) is a washer, concave in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is 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)
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 NOMINAL 0.500 |
| OUTSIDE DIAMETER ABKV | INCHES NOMINAL 0.928 |
| OVERALL HEIGHT ABKW | INCHES NOMINAL 0.140 |
| MATERIAL THICKNESS ABPX | INCHES NOMINAL 0.140 |
| END ITEM IDENTIFICATION AGAV | MK 54 REXTORP ASSY |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | FIN BUSHING |
| COLOR HUES | OVERALL BLACK |
| MATERIAL MATT | OVERALL PLASTIC ACETAL |
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
| 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 |
|---|---|---|
| 7607847 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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
$48.00
Purchases
1
Total spend
$672.00
Sep 29, 2026
Last purchased
2 · 2.0/yr
Purchase records
$1,344
Total demand
$48.00
Latest unit price
Purchase history
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 29, 2026 | SPE4A626PWWWT ↗ | — | — | $672.00 |
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.
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
CAGE 7YWT4
last award Sep 2026
NAVAL SEA SYSTEMS COMMAND
no award yet
no awards on record
Listed source CAGE 7YWT4 won the only award on record. CAGE 7YWT4 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-31GR | Sep 17, 2026 | Sep 24, 2026 | 12 | Cancelled | View at DIBBS → |
| SPE4A6-26-T-30LU | Sep 16, 2026 | Sep 23, 2026 | 14 | 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: 2026-10-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,CONCAVE." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-578-9721/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-578-9721/