The Body,air Brake Cylinder, cataloged under National Stock Number 2530-00-072-4402, 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 U S Army Tank Automotive Command Amsta-Im-Mm. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-072-4402 |
| Primary Part Number | 7529402 |
| Item Name | Body,air Brake Cylinder |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | ZNC ALLOY CASTING,COMPOSITION B,SPEC QQ-Z-363,3 HOLES 0.265 IN. DIA EQUALLY SPACED,2 HOLES 3/8-18 NPTF,4 HOLES 0.201 IN. DIA; 0.750 IN. DEEP,4 HOLES 0.265 IN. C BORE; 0.031 IN. DEEP,4 HOLES 1/4-20 UNC 3B; 0.500 IN. DEEP,4.188 OD IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7529402 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 2530000724402 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 2530-00-072-4402 is a Body,air Brake Cylinder, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-00-072-4402 has 1 manufacturer part number on file: 7529402 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7529402: General Characteristics Item Description: ZNC ALLOY CASTING,COMPOSITION B,SPEC QQ-Z-363,3 HOLES 0.265 IN. DIA EQUALLY SPACED,2 HOLES 3/8-18 NPTF,4 HOLES 0.201 IN. DIA; 0.750 IN. DEEP,4 HOLES 0.265 IN. C BORE; 0.031 IN. DEEP,4 HOLES 1/4-20 UNC 3B; 0.500 IN. DEEP,4.188 OD IN. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.