The Piston,hydraulic Brake, cataloged under National Stock Number 2530-00-920-3526, 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 Goodrich Corporation. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-920-3526 |
| Primary Part Number | 116-34-2 |
| Item Name | Piston,hydraulic Brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Length | 1.250 INCHES NOMINAL IN |
| Piston Cup | NOT INCLUDED |
| Surface Condition | EXTERNALLY GROOVED |
| Groove Depth | 0.188 INCHES NOMINAL IN |
| Outside Diameter | 3.247 INCHES NOMINAL IN |
| Steel Insert | INCLUDED |
| Size Designator | 3.250 |
| Closed End Distance to Raised Seat Wear Surface | 0.625 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Construction Type | TWO-PIECE |
| Groove Width | 0.276 INCHES NOMINAL IN |
| Shoe Actuating End Type | FLAT BOTTOM |
| 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 |
|---|---|
| 116-34-2 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 116-34-2 | 5/9 Secondary reference U.S. Government activity |
NSN 2530-00-920-3526 is a Piston,hydraulic Brake, manufactured by Goodrich Corporation, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-00-920-3526 has 1 manufacturer part number on file: 116-34-2 (Goodrich Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 5342-01-214-4759, 1670-01-578-8113, 5340-01-734-1793. Verify interchangeability with system specifications before substitution.
Key specifications for 116-34-2: Length: 1.250 INCHES NOMINAL IN; Piston Cup: NOT INCLUDED; Surface Condition: EXTERNALLY GROOVED; Groove Depth: 0.188 INCHES NOMINAL IN. 12 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.