The Diaphragm,chamber,brake, cataloged under National Stock Number 2530-01-227-4745, 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 Oshkosh Defense Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2530-01-227-4745 |
| Primary Part Number | 525AS29 |
| Item Name | Diaphragm,chamber,brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Diaphragm Type | BEADED TAPERED SLEEVE |
| Mounting Method | BEAD |
| Overall Outside Diameter | 5.031 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 |
|---|---|
| 525AS29 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 200316 | 3/9 Design control — primary reference Haldex Brake Products Corporation |
| 525AS29 | 5/9 Secondary reference Oshkosh Corp |
NSN 2530-01-227-4745 is a Diaphragm,chamber,brake, manufactured by Oshkosh Defense Llc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-227-4745 has 1 manufacturer part number on file: 525AS29 (Oshkosh Defense Llc).
1 possible match (shared part number, not a government interchangeability claim): 4130-01-459-5256. Verify interchangeability with system specifications before substitution.
Key specifications for 525AS29: Diaphragm Type: BEADED TAPERED SLEEVE; Mounting Method: BEAD; Overall Outside Diameter: 5.031 INCHES NOMINAL IN; End Item Identification: 4210-01-137-9943. 3 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.