Nut, Self-Locking, Hexagon5310-01-686-7764

NSN 5310-01-686-7764 · NIIN 016867764

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

Government record, cited

Also searched as 5310-01-686-7764 · 5310016867764 · NIIN 016867764 · 01-686-7764 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-686-7661 Washer, Flat · 5310-01-686-7793 Washer, Flat →

5310-01-686-7764 — Nuts and Washers

Features

Nut,self-Locking,hexagon — FSC 5310
Lubrication: DRY FILM LUBRICANT
Width Across Flats: 0.428 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
Bearing Surface Finish: 125.0 MICROINCHES
Thread Series: UNIFIED NATIONAL COARSE (UNC)
Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.250 INCHES IN

Identification

NSN: 5310-01-686-7764
NIIN: 016867764
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-686-7764, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5310-01-686-7764
Item Name	Nut,self-Locking,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Lubrication	DRY FILM LUBRICANT
Width Across Flats	0.428 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
Bearing Surface Finish	125.0 MICROINCHES
Thread Series	UNIFIED NATIONAL COARSE (UNC)
Temp Rating	250.0 FAHRENHEIT NOMINAL DEGF
Thread Direction	RIGHT-HAND
Nominal Thread Size	0.250 INCHES IN
Locking Feature	PREVAILING TORQUE WITH NONMETALLIC INSERT
Nut Height	0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
Surface Treatment	CADMIUM OVERALL
Nut Style	HEXAGON
Thread Class	2B
Thread Quantity Per Inch	20
Material	ALUMINUM OVERALL
Bearing Surface Type	CHAMFERED OR WASHER FACED

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
M45913/1-4CAA	2/2 Government specification standardization 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 5310-01-686-7764?

NSN 5310-01-686-7764 is a Nut,self-Locking,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-686-7764?

Key specifications for 5310-01-686-7764: Lubrication: DRY FILM LUBRICANT; Width Across Flats: 0.428 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN; Bearing Surface Finish: 125.0 MICROINCHES; Thread Series: UNIFIED NATIONAL COARSE (UNC). 15 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-686-7764 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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