FSC 5310 × NUT,SELF-LOCKING,ROUND

NUT,SELF-LOCKING,ROUND

5310-01-252-8378 FSC 5310

NSN 5310-01-252-8378 (also written 5310012528378; NIIN 01-252-8378) is a nut, self-locking, round 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 P: the government does not own the rights to the data needed for more sources. 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
THREAD CLASS AAJD	3B
THREAD DIRECTION AAJF	RIGHT-HAND
LOCKING FEATURE AAUM	PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT DIAMETER ACTD	INCHES NOMINAL 1.950
NUT THICKNESS ADBG	INCHES NOMINAL 0.220
DRIVE POINT QUANTITY ADBM	2
DRIVE POINT DIAMETER AFGF	INCHES NOMINAL 0.218
THREAD SERIES BZRR	UNEF
THREAD QUANTITY PER INCH CMLP	20
NOMINAL THREAD SIZE CQJX	INCHES 1.000
MATERIAL MATT	OVERALL EXCEPT INSERT ALUMINUM ALLOY 2024
MATERIAL MATT	LOCKING INSERT PLASTIC POLYAMIDE NYLON
MATERIAL DOCUMENT AND CLASSIFICATION MDCL	OVERALL EXCEPT INSERT FED SPEC SINGLE MATERIAL RESPONSE QQ-A-225 TO 6,T4 OR T42,OR T351 QQ-A-225
PROPRIETARY CHARACTERISTICS PRPY	PACS
SURFACE TREATMENT SFTT	OVERALL EXCEPT INSERT CHROMATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC	OVERALL EXCEPT INSERT MIL SPEC SINGLE TREATMENT RESPONSE -IL-C-5541

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
309C018-1	0FPN0	DERLAN INC
309C018-1	4N727	INTEGRAL AEROSPACE, LLC DBA PCX AEROSYSTEMS - SANTA ANA DIV INTEGRAL AEROSPACE, LLC DBA PCX AEROSYSTEMS - SANTA ANA
309C018-1	62793	BFM ENERGY PRODUCTS CORP
309C018-1	72429	MISSION SYSTEMS DAVENPORT 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-37HK	Sep 28, 2026	Oct 13, 2026	98	Expired	View at DIBBS →
SPE4A6-26-T-31XX	Sep 18, 2026	Sep 25, 2026	98	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,ROUND." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-252-8378/. Data as of October 19, 2026.

Link

https://nsnexplorer.com/nsn/5310-01-252-8378/