Nut, Cap, Dual Wheel Mounting2530-01-378-3274

NSN 2530-01-378-3274 · NIIN 013783274 · Part number 0A4363

Caterpillar Inc Div Caterpillar Defense · FSC 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components · FSG 25 — Vehicular Equipment Components · CAGE 11083

Government record, cited

NSN 2530-01-378-3274 — this item is cataloged by the U.S. Government under National Stock Number 2530-01-378-3274. Manufacturer of record part number: 0A4363.

Also searched as 2530-01-378-3274 · 2530013783274 · NIIN 013783274 · 01-378-3274 · FSC 2530 Vehicular Brake, Steering, Axle, Wheel, and Track Components · CAGE 11083 · 0A4363

Nearby stock numbers ← 2530-01-378-3136 Parts Kit, Hydraulic Brake Wheel · 2530-01-378-3402 Arm, Steering Gear →

Features

Nut,cap,dual Wheel Mounting — FSC 2530
General Characteristics Item Description: EXTERNAL THD;RH APPL;USED ON DUAL WHEEL ASSY,CATERPILLAR CORP,P/N 686590.
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 2530-01-378-3274
NIIN: 013783274
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 0A4363
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Nut,cap,dual Wheel Mounting, cataloged under National Stock Number 2530-01-378-3274, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2530-01-378-3274
Primary Part Number	0A4363
Item Name	Nut,cap,dual Wheel Mounting
FSC / FSG	2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE
General Characteristics Item Description	EXTERNAL THD;RH APPL;USED ON DUAL WHEEL ASSY,CATERPILLAR CORP,P/N 686590.

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
0A4363 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

No interchangeability data on file.

Other items in FSC 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components

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

2530-00-003-5229

2530-00-003-5229 · Item name not on file

2530-00-139-4058

PARTS KIT,HYDRAULIC BRAKE MASTER

2530-00-363-4183

CYLINDER ASSEMBLY,HYDRAULIC BRAK

2530-00-478-5792

PARTS KIT,HYDRAULIC BRAKE MASTER

2530-00-496-2927

WHEEL ASSEMBLY,PNEUMATIC TIRE

2530-00-701-0656

PLATE SUPPORTING SP

2530-00-734-2546

CYLINDER ASSEMBLY,HYDRAULIC BRAK

2530-01-171-5122

CYLINDER ASSEMBLY,HYDRAULIC BRAK

Frequently Asked Questions

What is NSN 2530-01-378-3274?

NSN 2530-01-378-3274 is a Nut,cap,dual Wheel Mounting, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.

What part numbers are listed for NSN 2530-01-378-3274?

NSN 2530-01-378-3274 has 1 manufacturer part number on file: 0A4363 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 0A4363?

Key specifications for 0A4363: General Characteristics Item Description: EXTERNAL THD;RH APPL;USED ON DUAL WHEEL ASSY,CATERPILLAR CORP,P/N 686590.. 1 specification is documented in the U.S. Government catalog.

Is NSN 2530-01-378-3274 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). 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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