Bolt, Machine5306-00-138-4603

NSN 5306-00-138-4603 · NIIN 001384603 · Part number 9M378

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

Government record, cited

NSN 5306-00-138-4603 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-138-4603. Manufacturer of record part number: 9M378.

Also searched as 5306-00-138-4603 · 5306001384603 · NIIN 001384603 · 00-138-4603 · FSC 5306 Bolts · CAGE 11083 · 9M378 · 9M0378

Nearby stock numbers ← 5306-00-138-4533 · 5306-00-138-4725 Bolt, Machine →

5306-00-138-4603 — Bolts

Features

Bolt,machine — FSC 5306
Head Height: 0.047 INCHES NOMINAL IN
Fastener Length: 2.880 INCHES NOMINAL IN
Thread Length: 0.880 INCHES MINIMUM IN
Nominal Thread Diameter: 0.312 INCHES IN
Features Provided: FINISHED HEAD
Head Style: HEXAGON
Thread Direction: RIGHT-HAND

Identification

NSN: 5306-00-138-4603
NIIN: 001384603
FSC: 5306 — Bolts
FSG: 53 — Hardware and Abrasives
Primary part number: 9M378
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-138-4603, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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	5306-00-138-4603
Primary Part Number	9M378
Item Name	Bolt,machine
FSC / FSG	5306 / 53 — Bolts
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE
Head Height	0.047 INCHES NOMINAL IN
Fastener Length	2.880 INCHES NOMINAL IN
Thread Length	0.880 INCHES MINIMUM IN
Nominal Thread Diameter	0.312 INCHES IN
Features Provided	FINISHED HEAD
Head Style	HEXAGON
Thread Direction	RIGHT-HAND
Width Between Flats	0.500 INCHES NOMINAL IN
Thread Class	3A A
Thread Quantity Per Inch	18
Material	STEEL OVERALL
Thread Series Designator	UNIFIED NATIONAL COARSE (UNC)

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
9M0378	Caterpillar Inc Div Caterpillar Defense (USA)
9M378 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.

5306-00-004-7044

BOLT,INTERNALLY RELIEVED BODY

5306-00-007-6129

5306-00-007-6129 · Item name not on file

5306-00-008-7899

5306-00-008-7899 · Item name not on file

5306-00-009-4739

5306-00-009-4739 · Item name not on file

5306-00-118-7332

BOLT,MACHINE

5306-00-151-1777

BOLT,MACHINE

5306-00-255-4507

BOLT,EYE

5306-01-101-2459

BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-138-4603?

NSN 5306-00-138-4603 is a Bolt,machine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5306, Bolts. Status: active.

What part numbers are listed for NSN 5306-00-138-4603?

NSN 5306-00-138-4603 has 2 manufacturer part numbers on file: 9M0378 (Caterpillar Inc Div Caterpillar Defense), 9M378 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 9M378?

Key specifications for 9M378: Head Height: 0.047 INCHES NOMINAL IN; Fastener Length: 2.880 INCHES NOMINAL IN; Thread Length: 0.880 INCHES MINIMUM IN; Nominal Thread Diameter: 0.312 INCHES IN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5306-00-138-4603 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.

PartsTable Design LLC · partstable.com