FSC 5310 × NUT,SELF-LOCKING,EXTENDED WASHER

NUT,SELF-LOCKING,EXTENDED WASHER

5310-00-431-0628 FSC 5310

NSN 5310-00-431-0628 (also written 5310004310628; NIIN 00-431-0628) is a nut, self-locking, extended washer in Federal Supply Class 5310, Nuts and Washers. 5 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 B: must be bought from the sources named on a source control or selected item drawing. 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
HARDNESS RATING CQFM	ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 43.0
NOMINAL THREAD SIZE CQJX	INCHES 0.190
COUNTERSINK ANGLE CRSQ	NUT DEGREES MINIMUM 85.0 AND DEGREES MAXIMUM 95.0
MATERIAL MATT	OVERALL STEEL COMP 8740
MATERIAL DOCUMENT AND CLASSIFICATION MDCL	OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 6322
SURFACE TREATMENT SFTT	OVERALL CADMIUM
OVERALL HEIGHT ABKW	INCHES MAXIMUM 0.250
NUT STYLE ACTA	—
WASHER OUTSIDE DIAMETER AAVX	INCHES MAXIMUM 0.350
THREAD DIRECTION AAJF	RIGHT-HAND
LOCKING FEATURE AAUM	PREVAILING TORQUE ALL METAL DESIGN
THREAD QUANTITY PER INCH CMLP	32
THREAD CLASS AAJD	3BG
THREAD SERIES BZRR	UNIFIED NATIONAL JOINT FINE (UNJF)
WASHER THICKNESS ADEM	INCHES MINIMUM 0.030
WIDTH ACROSS FLATS ASDB	INCHES MINIMUM 0.243 AND INCHES MAXIMUM 0.251
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC	OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S 2400

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
3016637	00198	PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP.
3016637	15653	HOWMET GLOBAL FASTENING SYSTEMS INC
3016637	98247	CANADIAN COMMERCIAL CORPORATION
H39546-3	15653	HOWMET GLOBAL FASTENING SYSTEMS INC
H39546-3	F7652	KLX AEROSPACE SOLUTIONS II SAS

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

—

Last purchased

—

Purchase records

—

Total demand

—

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 — 1 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-20WM	Aug 20, 2026	Aug 27, 2026	168	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.
Full methodology →

Cite this page

Citation

NSN Explorer. "NUT,SELF-LOCKING,EXTENDED WASHER." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-431-0628/. Data as of November 7, 2026.

Link

https://nsnexplorer.com/nsn/5310-00-431-0628/