Nut, Self-Locking, Extended Washer5310-00-776-7231

NSN 5310-00-776-7231 · NIIN 007767231 · Part number 6701246

Allison Transmission Inc Dba Allison Transmission, Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 73342

Government record, cited

NSN 5310-00-776-7231 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-776-7231. Manufacturer of record part number: 6701246.

Also searched as 5310-00-776-7231 · 5310007767231 · NIIN 007767231 · 00-776-7231 · FSC 5310 Nuts and Washers · CAGE 73342 · 6701246

Nearby stock numbers ← 5310-00-776-7202 · 5310-00-776-7232 →

5310-00-776-7231 — Nuts and Washers

Features

Nut,self-Locking,extended Washer — FSC 5310
Washer Outside Diameter: 0.875 INCHES NOMINAL IN
Width Across Flats: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Thread Series: UNF
Washer Thickness: 0.062 INCHES NOMINAL IN
Material Document and Classification: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.250 INCHES IN

Identification

NSN: 5310-00-776-7231
NIIN: 007767231
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 6701246
Manufacturer: Allison Transmission Inc Dba Allison Transmission, Inc

General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-776-7231, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-00-776-7231
Primary Part Number	6701246
Item Name	Nut,self-Locking,extended Washer
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Allison Transmission Inc Dba Allison Transmission, Inc
Status	ACTIVE
Washer Outside Diameter	0.875 INCHES NOMINAL IN
Width Across Flats	0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Thread Series	UNF
Washer Thickness	0.062 INCHES NOMINAL IN
Material Document and Classification	QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Direction	RIGHT-HAND
Nominal Thread Size	0.250 INCHES IN
Locking Feature	FREE-RUNNING ALL METAL DESIGN
Nut Style	HEXAGON
Thread Class	3B
Thread Quantity Per Inch	28
Material	STEEL COMP 1212 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

Part Number	Manufacturer
6701246 PRIMARY	Allison Transmission Inc Dba Allison Transmission, Inc (USA)
6701246 PRIMARY	General Motors Corp (USA)

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 5310-00-776-7231?

NSN 5310-00-776-7231 is a Nut,self-Locking,extended Washer, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-00-776-7231?

NSN 5310-00-776-7231 has 2 manufacturer part numbers on file: 6701246 (Allison Transmission Inc Dba Allison Transmission, Inc), 6701246 (General Motors Corp).

What are the specifications of 6701246?

Key specifications for 6701246: Overall Height: 0.344 INCHES NOMINAL IN; Washer Outside Diameter: 0.875 INCHES NOMINAL IN; Width Across Flats: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Thread Series: UNF. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5310-00-776-7231 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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