Type a 13-digit NSN, a 9-digit NIIN, a manufacturer part number, or a category name such as “gasket”.

Jump to

FSC 5310 × WASHER,LOCK

WASHER,LOCK

5310-00-209-4391 FSC 5310

NSN 5310-00-209-4391 (also written 5310002094391; NIIN 00-209-4391) is a washer, lock in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.

Open for bid

1 open solicitation on record right now — quantity, close date, and where to submit.

Solicitation Qty Status
SPE4A6-27-T-1660 787 Closes in 1d Bid →

Can you win it?

This item is coded as suitable for competitive acquisition (AMC 1).

Acquisition method (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 MINIMUM 0.383 AND INCHES MAXIMUM 0.398
OUTSIDE DIAMETER ABKV INCHES NOMINAL 0.678
MATERIAL MATT OVERALL STEEL CORROSION RESISTING
STYLE DESIGNATOR STYL —
MATERIAL THICKNESS ABPX INCHES NOMINAL 0.062
SURFACE TREATMENT SFTT OVERALL PASSIVATE

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
FF-W-84 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
LSEC37P 80249 BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION 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
$0.84
Purchases
1
Total spend
$205.80
Oct 1, 2026
Last purchased
2 · 2.0/yr
Purchase records
$411.60
Total demand
$0.84
Latest unit price

Compare with other items

Purchase history

1 purchase on record
Awarded Qty Unit price Total Supplier Agency Source
Oct 1, 2026 245 $0.84 $205.80 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
Oct 1, 2026 SPE4A627V0017 ↗ KAREN CARLISLE DBA B & K AEROSPACE — $205.80

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
Solicited 2 times since Sep 2026, typically every 2.6 weeks.Last solicitation 6 days ago.Jan 2026Apr 2026Jul 2026Oct 2026

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
KAREN CARLISLE DBA B & K AEROSPACE
last award Oct 2026
Not listed
BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.
no award yet
Listed source
FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
no award yet
Listed source

KAREN CARLISLE DBA B & K AEROSPACE won the only award on record. KAREN CARLISLE DBA B & K AEROSPACE won without being a listed source.

Solicitation Issued Closes / closed Qty Status
SPE4A6-27-T-1660 Oct 13, 2026 Oct 20, 2026 787 Open View at DIBBS →
SPE4A6-26-T-36JQ Sep 25, 2026 Oct 2, 2026 245 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,LOCK." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-209-4391/. Data as of October 19, 2026.

Link

https://nsnexplorer.com/nsn/5310-00-209-4391/