Valve, Relay, Air Pressure2530-01-388-4226

NSN 2530-01-388-4226 · NIIN 013884226 · Part number 8X6703

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 2530-01-388-4226 — this item is cataloged by the U.S. Government under National Stock Number 2530-01-388-4226. Manufacturer of record part number: 8X6703.

Also searched as 2530-01-388-4226 · 2530013884226 · NIIN 013884226 · 01-388-4226 · FSC 2530 Vehicular Brake, Steering, Axle, Wheel, and Track Components · CAGE 11083 · 8X6703

Nearby stock numbers ← 2530-01-388-2733 Support, Axle, Vehicular · 2530-01-388-4240 Parts Kit, Power Steering →

Features

Valve,relay,air Pressure — FSC 2530
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 2530-01-388-4226
NIIN: 013884226
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 8X6703
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Valve,relay,air Pressure, cataloged under National Stock Number 2530-01-388-4226, 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. 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	2530-01-388-4226
Primary Part Number	8X6703
Item Name	Valve,relay,air Pressure
FSC / FSG	2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE

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
8X6703 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 2530-01-388-4226?

NSN 2530-01-388-4226 is a Valve,relay,air Pressure, 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 2530-01-388-4226?

NSN 2530-01-388-4226 has 1 manufacturer part number on file: 8X6703 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 8X6703?

Key specifications for 8X6703: End Item Identification: SCRAPER,WHEELED;CATERPILLAR TRACTOR CO;MODEL 621B. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2530-01-388-4226 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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