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NSN 5306-01-581-0091Government record, cited

Bolt, Machine5306-01-581-0091

NSN 5306-01-581-0091 · NIIN 015810091

FSC 5306 — Bolts · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5306-01-581-0091 · 5306015810091 · NIIN 015810091 · 01-581-0091 · FSC 5306 Bolts

Nearby stock numbers ← 5306-01-581-0053 Bolt, Machine · 5306-01-581-0094 Bolt, Shear →

5306-01-581-0091 — Bolts

Features

Bolt,machine — FSC 5306
Head Height: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
Fastener Length: 4.468 INCHES NOMINAL IN
Thread Length: 0.656 INCHES NOMINAL IN
Nominal Thread Diameter: 0.437 INCHES IN
Head Style: HEXAGON
Thread Direction: RIGHT-HAND
Grip Length: 3.812 INCHES NOMINAL IN

Identification

NSN: 5306-01-581-0091
NIIN: 015810091
FSC: 5306 — Bolts
FSG: 53 — Hardware and Abrasives

General Description

The Bolt,machine, cataloged under National Stock Number 5306-01-581-0091, is classified within Federal Supply Class 5306 (Bolts) 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13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5306-01-581-0091
Item Name	Bolt,machine
FSC / FSG	5306 / 53 — Bolts
Status	ACTIVE
Head Height	0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
Fastener Length	4.468 INCHES NOMINAL IN
Thread Length	0.656 INCHES NOMINAL IN
Nominal Thread Diameter	0.437 INCHES IN
Head Style	HEXAGON
Thread Direction	RIGHT-HAND
Grip Length	3.812 INCHES NOMINAL IN
Width Between Flats	0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
Grip Diameter	0.433 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Thread Class	3A A
Thread Quantity Per Inch	20
Material	STEEL CORROSION RESISTING OVERALL
Thread Series Designator	UNF

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
AN7C43	2/2 Government specification standardization U.S. Government activity

No interchangeability data on file.

Other items in FSC 5306 — Bolts

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

5306-00-001-1276

5306-00-001-1276 · Item name not on file

5306-00-001-1949

5306-00-001-1949 · Item name not on file

5306-00-001-1988

5306-00-001-1988 · Item name not on file

5306-00-001-1989

5306-00-001-1989 · Item name not on file

5306-00-001-1990

5306-00-001-1990 · Item name not on file

5306-00-001-1991

5306-00-001-1991 · Item name not on file

5306-00-001-1993

BOLT,SHEAR

5306-00-001-2017

BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-01-581-0091?

NSN 5306-01-581-0091 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.

What are the specifications of 5306-01-581-0091?

Key specifications for 5306-01-581-0091: Head Height: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN; Fastener Length: 4.468 INCHES NOMINAL IN; Thread Length: 0.656 INCHES NOMINAL IN; Nominal Thread Diameter: 0.437 INCHES IN. 13 specifications are documented in the U.S. Government catalog.

Is NSN 5306-01-581-0091 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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