Nut, Self-Locking, Hexagon5310-01-657-3654

NSN 5310-01-657-3654 · NIIN 016573654

FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5310-01-657-3654 · 5310016573654 · NIIN 016573654 · 01-657-3654 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-657-3653 Nut, Self-Locking, Extended Washer · 5310-01-657-3721 Washer, Flat →

5310-01-657-3654 — Nuts and Washers

Features

Nut,self-Locking,hexagon — FSC 5310
Lubrication: DRY FILM LUBRICANT
Width Across Flats: 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
Thread Series: UNJC
Temp Rating: 450.0 FAHRENHEIT MAXIMUM DEGF
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.112 INCHES IN
Nut Height: 0.125 INCHES MAXIMUM IN

Identification

NSN: 5310-01-657-3654
NIIN: 016573654
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-657-3654, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-657-3654
Item Name	Nut,self-Locking,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Lubrication	DRY FILM LUBRICANT
Width Across Flats	0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
Thread Series	UNJC
Temp Rating	450.0 FAHRENHEIT MAXIMUM DEGF
Thread Direction	RIGHT-HAND
Nominal Thread Size	0.112 INCHES IN
Nut Height	0.125 INCHES MAXIMUM IN
Surface Treatment	PASSIVATE OVERALL
Inside Width Across Flats	0.189 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
Nut Style	INTERNAL OR EXTERNAL WRENCHING HEXAGON
Thread Class	3B
Thread Quantity Per Inch	40
Material	IRON ALLOY 660 OVERALL

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
BACN10JC04CM	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 5310 — Nuts and Washers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5310-00-000-0040

5310-00-000-0040 · Item name not on file

5310-00-000-0077

NUT,PLAIN,ROUND

5310-00-000-0079

WASHER,FLAT

5310-00-000-0079

WASHER,FLAT

5310-00-000-1146

5310-00-000-1146 · Item name not on file

5310-00-000-3815

5310-00-000-3815 · Item name not on file

5310-00-000-4532

5310-00-000-4532 · Item name not on file

5310-00-000-4540

5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-01-657-3654?

NSN 5310-01-657-3654 is a Nut,self-Locking,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-657-3654?

Key specifications for 5310-01-657-3654: Lubrication: DRY FILM LUBRICANT; Width Across Flats: 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN; Thread Series: UNJC; Temp Rating: 450.0 FAHRENHEIT MAXIMUM DEGF. 13 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-657-3654 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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