The Cylinder,hydraulic Brake,master, cataloged under National Stock Number 2530-00-702-8038, 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 10 specifications, 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.
| Parameter | Value |
|---|---|
| NSN | 2530-00-702-8038 |
| Primary Part Number | 7979727 |
| Item Name | Cylinder,hydraulic Brake,master |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Actuation Method | DIRECT |
| Mounting Facility Diameter | 0.406 INCHES NOMINAL IN |
| Mounting Provision Arrangement Style | THREE HOLE TRIANGULAR |
| Longest Vertical Distance Between Mounting Centers | 1.940 INCHES NOMINAL IN |
| Material Document and Classification | QQ-I-652 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Shortest Horizontal Distance Between Mounting Centers | 1.200 INCHES NOMINAL IN |
| Material | IRON CAST UNS F11401 OR IRON CAST UNS F11701 OR IRON CAST UNS F12101 OR IRON CAST UNS F12401 OR IRON CAST UNS F12801 OR IRON CAST UNS F13101 OR IRON CAST UNS F13501 OR IRON CAST UNS F13801 OR IRON CAST UNS F14101 BODY |
| Reservoir Type | INTEGRAL |
| Mounting Provision | UNTHREADED MOUNTING HOLES |
| Longest Horizontal Distance Between Mounting Centers | 2.400 INCHES NOMINAL 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 |
|---|---|
| 7979727 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2530-00-702-8038 is a Cylinder,hydraulic Brake,master, 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 2530-00-702-8038 has 1 manufacturer part number on file: 7979727 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7979727: Actuation Method: DIRECT; Mounting Facility Diameter: 0.406 INCHES NOMINAL IN; Overall Height: 4.080 INCHES NOMINAL IN; Mounting Provision Arrangement Style: THREE HOLE TRIANGULAR. 10 specifications are 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.