FSC 5310 × NUT,SELF-LOCKING,EXTENDED WASHER

NUT,SELF-LOCKING,EXTENDED WASHER

5310-00-472-8820 FSC 5310

NSN 5310-00-472-8820 (also written 5310004728820; NIIN 00-472-8820) is a nut, self-locking, extended washer in Federal Supply Class 5310, Nuts and Washers. 4 manufacturer part numbers from 4 suppliers are on record. No purchases are on record yet.

Open for bid

No open solicitations on record for this NSN right now.

Search open RFQs on DIBBS →

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 Z: a commercial, nondevelopmental or off-the-shelf item. 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
NOMINAL THREAD SIZE CQJX	INCHES 0.250
THREAD QUANTITY PER INCH CMLP	28
MATERIAL MATT	OVERALL STEEL COMP 303
SURFACE TREATMENT SFTT	OVERALL SILVER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC	OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S 2410
WIDTH ACROSS FLATS ASDB	INCHES MINIMUM 0.367 AND INCHES MAXIMUM 0.376
TEMP RATING AZKQ	FAHRENHEIT NOMINAL 800.0
OVERALL HEIGHT ABKW	INCHES MINIMUM 0.314 AND INCHES MAXIMUM 0.329
NUT STYLE ACTA	—
LOCKING FEATURE AAUM	PREVAILING TORQUE ALL METAL DESIGN
THREAD CLASS AAJD	3B
THREAD DIRECTION AAJF	RIGHT-HAND
SPECIAL FEATURES FEAT	BEARING SURFACE SHALL BE SQUARE TO P.D. OF THREAD TO WITHIN 0.001 T.I.R.
THREAD SERIES BZRR	UNF
WASHER OUTSIDE DIAMETER AAVX	INCHES MAXIMUM 0.443
WASHER THICKNESS ADEM	INCHES MINIMUM 0.060 AND INCHES MAXIMUM 0.080

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
21349	86090	EATON CORPORATION DBA AIRFRAME
561692-6	56232	LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD
70Z1835-048	56878	SPS TECHNOLOGIES, LLC DBA PB FASTENERS
70Z1835-048	72962	HARVARD INDUSTRIES 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

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Purchases

Total spend

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Last purchased

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Purchase records

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Total demand

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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.

No related contract actions on record.

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.

Solicitation	Issued	Closes / closed	Qty	Status
SPE4A6-26-T-34KD	Sep 21, 2026	Oct 1, 2026	935	Expired	View at DIBBS →
SPE4A6-26-T-28TR	Sep 11, 2026	Sep 18, 2026	935	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.
Full methodology →

Cite this page

Citation

NSN Explorer. "NUT,SELF-LOCKING,EXTENDED WASHER." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-472-8820/. Data as of October 19, 2026.

Link

https://nsnexplorer.com/nsn/5310-00-472-8820/