Control Parts Assembly, Steering2530-01-551-1987

NSN 2530-01-551-1987 · NIIN 015511987 · Part number 203-6511

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 2530-01-551-1987 — this item is cataloged by the U.S. Government under National Stock Number 2530-01-551-1987. Manufacturer of record part number: 203-6511.

Also searched as 2530-01-551-1987 · 2530015511987 · NIIN 015511987 · 01-551-1987 · FSC 2530 Vehicular Brake, Steering, Axle, Wheel, and Track Components · CAGE 11083 · 203-6511

Nearby stock numbers ← 2530-01-551-1984 Control Parts Assembly, Steering · 2530-01-551-2005 Yoke, Brake, Vehicular →

Features

Control Parts Assembly,steering — FSC 2530
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 2530-01-551-1987
NIIN: 015511987
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 203-6511
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Control Parts Assembly,steering, cataloged under National Stock Number 2530-01-551-1987, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	2530-01-551-1987
Primary Part Number	203-6511
Item Name	Control Parts Assembly,steering
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
203-6511 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

Reference documents

Reference	Meaning
203-6511	5/9 Secondary reference Caterpillar of Australia Pty Ltd

Frequently Asked Questions

What is NSN 2530-01-551-1987?

NSN 2530-01-551-1987 is a Control Parts Assembly,steering, 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 2530-01-551-1987?

NSN 2530-01-551-1987 has 1 manufacturer part number on file: 203-6511 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 203-6511?

Key specifications for 203-6511: Special Features: CYLINDER AND MOUNTING GROUP; End Item Identification: HYDRAULIC AR PART NO. 288-1494. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2530-01-551-1987 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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