The Cup,hydraulic Brake Cylinder, cataloged under National Stock Number 2530-00-696-0296, 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 15 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-696-0296 |
| Item Name | Cup,hydraulic Brake Cylinder |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Status | ACTIVE |
| Feathered Lip Feature | NOT INCLUDED |
| FSC Application Data | BRAKE SYSTEM,VEHICULAR |
| Tapered Hole Minor Diameter | 0.383 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN |
| Largest Outside Diameter | 1.175 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN |
| Outer Periphery Base Groove | NOT INCLUDED |
| Mounting Method | CENTER HOLE |
| Material Document and Classification | SAE R712BF1Z ASSN STD SINGLE MATERIAL RESPONSE |
| Sealing Lip Length | 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN |
| Size Designator | 1.125 |
| Tapered Hole Major Diameter | 0.443 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN |
| Base Outside Diameter | 1.080 INCHES MINIMUM AND 1.095 INCHES MAXIMUM IN |
| Base Inside Projection | NOT INCLUDED |
| Base Thickness | 0.094 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| C12478C | 5/9 Secondary reference Haldex Brake Products Corporation |
| 679662 | 5/9 Secondary reference Sasco Inc Canadian Div |
| C12478C | 5/9 Secondary reference Spalla Inc |
| MILC14055 | 2/2 Government specification standardization U.S. Government activity |
| 1661M5 | 5/9 Secondary reference Diamond Reo Truck Co |
| 7539314 | 5/1 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 2530-00-696-0296 is a Cup,hydraulic Brake Cylinder, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3431-01-352-3675. Verify interchangeability with system specifications before substitution.
Key specifications for 2530-00-696-0296: Feathered Lip Feature: NOT INCLUDED; FSC Application Data: BRAKE SYSTEM,VEHICULAR; Tapered Hole Minor Diameter: 0.383 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN; Largest Outside Diameter: 1.175 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN. 15 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.