Acquisition method (AMC)
1
FSC 5310 × WASHER,LOCK
WASHER,LOCK
5310-01-688-4523 FSC 5310
NSN 5310-01-688-4523 (also written 5310016884523; NIIN 01-688-4523) is a washer, lock in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 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 |
|---|---|
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | WASHER, NORDLOCK |
| END ITEM IDENTIFICATION AGAV | 01-668-1220 |
| HOLE DIAMETER AAUB | MILLIMETERS NOMINAL 20.0 |
| OUTSIDE DIAMETER ABKV | MILLIMETERS NOMINAL 39.0 |
| OVERALL HEIGHT ABKW | MILLIMETERS NOMINAL 3.4 |
| MATERIAL MATT | OVERALL STEEL |
| 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 |
|---|---|---|
| 12422608-028 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
| NL3/4SP | 1PUD1 | NORD LOCK INC |
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
$72.98
Purchases
2
Total spend
$344.14
Oct 6, 2026
Last purchased
4 · 4.0/yr
Purchase records
$688.28
Total demand
$72.98
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 6, 2026 | 2 | $72.98 | $145.96 | KAMPI COMPONENTS CO INC (7Z016) | Unknown | Source ↗ |
| Aug 18, 2026 | 2 | $99.09 | $198.18 | KAREN CARLISLE DBA B & K AEROSPACE (8A1E8) | 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 |
|---|---|---|---|---|
| Aug 18, 2026 | SPE4A026V0785 ↗ | KAREN CARLISLE DBA B & K AEROSPACE | — | $198.18 |
| Oct 6, 2026 | SPE4A027P0065 ↗ | KAMPI COMPONENTS CO INC | — | $145.96 |
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.
Time from solicitation to award
How long does a buy take from posting to award? One bar per past award that matches a solicitation.
- Open for quotes
- Closed, awaiting award
The typical buy took 12 days from posting to award.
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
KAMPI COMPONENTS CO INC
last award Oct 2026
KAREN CARLISLE DBA B & K AEROSPACE
last award Aug 2026
NORD LOCK INC
no award yet
no awards on record
Listed source U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
no award yet
no awards on record
Listed source KAMPI COMPONENTS CO INC won 1 of the last 2 awards. KAMPI COMPONENTS CO INC and 1 other won without being listed sources.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A0-26-T-4889 | Sep 18, 2026 | Sep 25, 2026 | 2 | Expired | View at DIBBS → |
| SPE4A0-26-T-4265 | Aug 13, 2026 | Aug 20, 2026 | 2 | Cancelled | 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: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,LOCK." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-688-4523/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-688-4523/