Nut, Self-Locking, Extended Washer5310-01-524-9665

NSN 5310-01-524-9665 · NIIN 015249665

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

Government record, cited

Also searched as 5310-01-524-9665 · 5310015249665 · NIIN 015249665 · 01-524-9665 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-524-9635 Nut, Plain, Hexagon · 5310-01-524-9795 Nut, Plain, Hexagon →

5310-01-524-9665 — Nuts and Washers

Features

Nut,self-Locking,extended Washer — FSC 5310
Washer Outside Diameter: 12.8 MILLIMETERS MAXIMUM MM
Width Across Flats: 6.8 MILLIMETERS MINIMUM MM
Thread Tolerance Class: 4H6H INTERNAL
Thread Series: MJ
Thread Pitch in Millimeters: 0.50
Temp Rating: 235.0 CELSIUS NOMINAL DEGC
Washer Thickness: 0.9 MILLIMETERS MINIMUM MM

Identification

NSN: 5310-01-524-9665
NIIN: 015249665
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-524-9665, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5310-01-524-9665
Item Name	Nut,self-Locking,extended Washer
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Washer Outside Diameter	12.8 MILLIMETERS MAXIMUM MM
Width Across Flats	6.8 MILLIMETERS MINIMUM MM
Thread Tolerance Class	4H6H INTERNAL
Thread Series	MJ
Thread Pitch in Millimeters	0.50
Temp Rating	235.0 CELSIUS NOMINAL DEGC
Washer Thickness	0.9 MILLIMETERS MINIMUM MM
Thread Direction	RIGHT-HAND
Nominal Thread Size	8.0 MILLIMETERS MM
Surface Treatment	CADMIUM AND CHROMATE NUT
Nut Style	HEXAGON
Material	IRON ALLOY 660 OVERALL EXCEPT INSERT

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
NA0034C080	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 5310-01-524-9665?

NSN 5310-01-524-9665 is a Nut,self-Locking,extended Washer, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-524-9665?

Key specifications for 5310-01-524-9665: Overall Height: 7.2 MILLIMETERS MAXIMUM MM; Washer Outside Diameter: 12.8 MILLIMETERS MAXIMUM MM; Width Across Flats: 6.8 MILLIMETERS MINIMUM MM; Thread Tolerance Class: 4H6H INTERNAL. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-524-9665 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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