Bolt, Square Neck5306-01-674-6639

NSN 5306-01-674-6639 · NIIN 016746639 · Part number 397-3902

Caterpillar Inc Div Caterpillar Defense · FSC 5306 — Bolts · FSG 53 — Hardware and Abrasives · CAGE 11083

Government record, cited

NSN 5306-01-674-6639 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-674-6639. Manufacturer of record part number: 397-3902.

Also searched as 5306-01-674-6639 · 5306016746639 · NIIN 016746639 · 01-674-6639 · FSC 5306 Bolts · CAGE 11083 · 397-3902

Nearby stock numbers ← 5306-01-674-6597 Bolt, Shear · 5306-01-674-6731 Bolt, Shear →

5306-01-674-6639 — Bolts

Features

Bolt,square Neck — FSC 5306
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 5306-01-674-6639
NIIN: 016746639
FSC: 5306 — Bolts
FSG: 53 — Hardware and Abrasives
Primary part number: 397-3902
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Bolt,square Neck, cataloged under National Stock Number 5306-01-674-6639, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Bolt,square Neck
FSC / FSG	5306 — Bolts (FSG 53)
Manufacturers	Caterpillar Inc Div Caterpillar Defense (CAGE 11083)

Technical Specifications

Parameter	Value
NSN	5306-01-674-6639
Primary Part Number	397-3902
Item Name	Bolt,square Neck
FSC / FSG	5306 / 53 — Bolts
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE

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
397-3902 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

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 5306-01-674-6639?

NSN 5306-01-674-6639 is a Bolt,square Neck, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5306, Bolts. Status: active.

What part numbers are listed for NSN 5306-01-674-6639?

NSN 5306-01-674-6639 has 1 manufacturer part number on file: 397-3902 (Caterpillar Inc Div Caterpillar Defense).

Is NSN 5306-01-674-6639 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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