Nut, Self-Locking, Clinch5310-01-491-3288

NSN 5310-01-491-3288 · NIIN 014913288

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

Government record, cited

Also searched as 5310-01-491-3288 · 5310014913288 · NIIN 014913288 · 01-491-3288 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-491-3285 Nut, Self-Locking, Gang Channel · 5310-01-491-3302 Nut Assembly, Self-Locking, Gang C →

5310-01-491-3288 — Nuts and Washers

Features

Nut,self-Locking,clinch — FSC 5310
Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF)
Material Document and Classification: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size: 0.312 INCHES IN
Nut Diameter: 0.329 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN
Pilot Diameter: 0.368 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN
Pilot Length: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
Nut Height: 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN

Identification

NSN: 5310-01-491-3288
NIIN: 014913288
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-491-3288, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5310-01-491-3288
Item Name	Nut,self-Locking,clinch
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Thread Series	UNIFIED NATIONAL JOINT FINE (UNJF)
Material Document and Classification	AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size	0.312 INCHES IN
Nut Diameter	0.329 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN
Pilot Diameter	0.368 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN
Pilot Length	0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
Nut Height	0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
Nut Style	CLINCH
Thread Class	3B
Thread Quantity Per Inch	24
Material	STEEL CORROSION RESISTING 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
4092T24P01	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 5310-01-491-3288?

NSN 5310-01-491-3288 is a Nut,self-Locking,clinch, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-491-3288?

Key specifications for 5310-01-491-3288: Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Material Document and Classification: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Size: 0.312 INCHES IN; Nut Diameter: 0.329 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN. 11 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-491-3288 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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