The Cup,hydraulic Brake Cylinder, cataloged under National Stock Number 2530-00-133-0739, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-133-0739 |
| Item Name | Cup,hydraulic Brake Cylinder |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Status | ACTIVE |
| Feathered Lip Feature | INCLUDED |
| Tapered Hole Minor Diameter | 0.297 INCHES NOMINAL IN |
| Largest Outside Diameter | 0.536 INCHES MINIMUM AND 0.551 INCHES MAXIMUM IN |
| Outer Periphery Base Groove | NOT INCLUDED |
| Mounting Method | CENTER HOLE |
| Material Document and Classification | ES0796, THE BENDIX CORP, BRAKE AND STEERING DIV MFR REF SINGLE MATERIAL RESPONSE |
| Sealing Lip Length | 0.125 INCHES NOMINAL IN |
| Size Designator | 35/64 IN. IN |
| Tapered Hole Major Diameter | 0.328 INCHES NOMINAL IN |
| Base Outside Diameter | 0.463 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN |
| Base Inside Projection | NOT INCLUDED |
| Base Thickness | 0.0469 INCHES NOMINAL IN |
| Material | RUBBER NATURAL |
| Angle in Deg | 65.0 |
| Thru-Hole Length | 0.990 INCHES NOMINAL IN |
| Cup Protector | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 69519R1 | 5/2 Secondary reference U.S. Government activity |
| 374758 | 3/9 Design control — primary reference Bendix Corp the Brake and Steering Div |
NSN 2530-00-133-0739 is a Cup,hydraulic Brake Cylinder, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
Key specifications for 2530-00-133-0739: Feathered Lip Feature: INCLUDED; Tapered Hole Minor Diameter: 0.297 INCHES NOMINAL IN; Largest Outside Diameter: 0.536 INCHES MINIMUM AND 0.551 INCHES MAXIMUM IN; Outer Periphery Base Groove: NOT INCLUDED. 16 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.