Acquisition method (AMC)
3
FSC 5310 × WASHER,LOCK
WASHER,LOCK
5310-01-645-3662 FSC 5310
NSN 5310-01-645-3662 (also written 5310016453662; NIIN 01-645-3662) is a washer, lock in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is 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 to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
D
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. 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 | MILLIMETERS NOMINAL 13.0 |
| OUTSIDE DIAMETER ABKV | MILLIMETERS NOMINAL 20.5 |
| MATERIAL THICKNESS ABPX | MILLIMETERS MAXIMUM 1.2 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | WASHER,LOCK |
| SPECIAL FEATURES FEAT | BRIKKSEN INC IS THE MANUFACTURER, THEY DO NOT HAVE A CAGE |
| MATERIAL MATT | OVERALL STEEL CORROSION RESISTING |
| 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 |
|---|---|---|
| 93925A300 | 39428 | MCMASTER-CARR SUPPLY CO |
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
$1.00
Purchases
1
Total spend
$2.00
Oct 13, 2026
Last purchased
2 · 2.0/yr
Purchase records
$4.00
Total demand
$1.00
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 |
|---|---|---|---|---|
| Oct 13, 2026 | SPE4A027P0180 ↗ | — | — | $2.00 |
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 21YH0
last award Oct 2026
MCMASTER-CARR SUPPLY CO
no award yet
no awards on record
Listed source CAGE 21YH0 won the only award on record. CAGE 21YH0 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A0-27-T-0127 | Oct 8, 2026 | Oct 15, 2026 | 2 | Expired | View at DIBBS → |
| SPE4A6-26-T-36JW | Sep 25, 2026 | Oct 2, 2026 | 10 | 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: 2026-10-14.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,LOCK." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-645-3662/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-645-3662/