Bolt, Internally Relieved Body5306-01-406-1643

NSN 5306-01-406-1643 · NIIN 014061643

FSC 5306 — Bolts · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5306-01-406-1643 · 5306014061643 · NIIN 014061643 · 01-406-1643 · FSC 5306 Bolts

Nearby stock numbers ← 5306-01-406-1335 Bolt, Shear · 5306-01-406-1655 Bolt, Machine →

5306-01-406-1643 — Bolts

Features

Bolt,internally Relieved Body — FSC 5306
Head Height: 0.277 INCHES MINIMUM AND 0.287 INCHES MAXIMUM IN
Fastener Length: 0.497 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
Material Document and Classification: AMS 6378 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter: 1.6250 INCHES IN
Thread Direction: RIGHT-HAND
Concentric Hole Diameter: 1.441 INCHES MINIMUM AND 1.481 INCHES MAXIMUM IN
Thread Class: 3A A

Identification

NSN: 5306-01-406-1643
NIIN: 014061643
FSC: 5306 — Bolts
FSG: 53 — Hardware and Abrasives

General Description

The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-406-1643, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5306-01-406-1643
Item Name	Bolt,internally Relieved Body
FSC / FSG	5306 / 53 — Bolts
Status	ACTIVE
Head Height	0.277 INCHES MINIMUM AND 0.287 INCHES MAXIMUM IN
Fastener Length	0.497 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
Material Document and Classification	AMS 6378 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter	1.6250 INCHES IN
Thread Direction	RIGHT-HAND
Concentric Hole Diameter	1.441 INCHES MINIMUM AND 1.481 INCHES MAXIMUM IN
Thread Class	3A A
Thread Quantity Per Inch	18
Material	STEEL COMP 4140 OVERALL
Thread Series Designator	UNJEF

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
741562	3/2 Design control — primary reference 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 5306-01-406-1643?

NSN 5306-01-406-1643 is a Bolt,internally Relieved Body, classified under FSC 5306, Bolts. Status: active.

What are the specifications of 5306-01-406-1643?

Key specifications for 5306-01-406-1643: Head Height: 0.277 INCHES MINIMUM AND 0.287 INCHES MAXIMUM IN; Fastener Length: 0.497 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN; Material Document and Classification: AMS 6378 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 1.6250 INCHES IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5306-01-406-1643 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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