FSC 5310 × WASHER,FLAT

WASHER,FLAT

5310-01-172-7901 FSC 5310

NSN 5310-01-172-7901 (also written 5310011727901; NIIN 01-172-7901) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is 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-2299	128	Closes in 1d	Bid →

Can you win it?

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

Acquisition method (AMC)

Suffix (AMSC)

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
CROSS-SECTIONAL SHAPE STYLE AAGR	—
HOLE DIAMETER AAUB	INCHES MINIMUM 2.735 AND INCHES MAXIMUM 2.750
PERIPHERAL SHAPE STYLE ABMW	—
CENTER HOLE SHAPE STYLE ABMX	—
THICKNESS ABNM	INCHES NOMINAL 0.375
OVERALL DIAMETER ADAV	INCHES NOMINAL 4.750
HARDNESS RATING CQFM	ROCKWELL C MINIMUM 28.0 AND ROCKWELL C MAXIMUM 32.0
MATERIAL MATT	OVERALL STEEL COMP 4130 OR STEEL COMP 4140
MATERIAL DOCUMENT AND CLASSIFICATION MDCL	OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-S-626 QQ-S-626
SURFACE TREATMENT SFTT	OVERALL NICKEL ALLOY OR ZINC

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
12328547	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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

—

Purchases

Total spend

—

Oct 7, 2026

Last purchased

1 · 1.0/yr

Purchase records

$2,890

Total demand

$2,890

Latest award total

Compare with other items

Purchase history

No priced purchases on record for this NSN yet.

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 7, 2026	SPE4A626PT611 ↗	—	—	$2,890

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 801V9

last award Oct 2026

Not listed

U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

no award yet

no awards on record

Listed source

CAGE 801V9 won the only award on record. CAGE 801V9 won without being a listed source.

Solicitation	Issued	Closes / closed	Qty	Status
SPE4A6-27-T-2299	Oct 13, 2026	Oct 20, 2026	128	Open	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: 2026-10-08.
Full methodology →

Cite this page

Citation

NSN Explorer. "WASHER,FLAT." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-172-7901/. Data as of October 19, 2026.

Link

https://nsnexplorer.com/nsn/5310-01-172-7901/