Acquisition method (AMC)
1
FSC 5310 × NUT,PLAIN,EXTENDED WASHER,HEXAGO
NUT,PLAIN,EXTENDED WASHER,HEXAGO
5310-01-657-0238 FSC 5310
NSN 5310-01-657-0238 (also written 5310016570238; NIIN 01-657-0238) is a nut, plain, extended washer, hexago in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 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 |
|---|---|
| NUT STYLE ACTA | — |
| END ITEM IDENTIFICATION AGAV | 3930-01-522-7364 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | ADJUSTING NUT |
| SPECIAL FEATURES FEAT | CAGE 3S597 DOES NOT SELL TO THE GOVERNMENT |
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 |
|---|---|---|
| 71.2702.4 | 3S597 | KESSLER INTL CORP |
| 71.2702.4 | 7AYE6 | KTSDI LLC |
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
$52.85
Purchases
1
Total spend
$211.40
Sep 23, 2026
Last purchased
2 · 2.0/yr
Purchase records
$422.80
Total demand
$52.85
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 23, 2026 | SPE4A626V390U ↗ | — | — | $211.40 |
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
CAGE 9RU99
last award Sep 2026
KESSLER INTL CORP
no award yet
no awards on record
Listed source KTSDI LLC
no award yet
no awards on record
Listed source CAGE 9RU99 won the only award on record. CAGE 9RU99 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-31LB | Sep 17, 2026 | Sep 24, 2026 | 4 | 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: 2026-10-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,PLAIN,EXTENDED WASHER,HEXAGO." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-657-0238/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-657-0238/