The Diaphragm,chamber,brake, cataloged under National Stock Number 2530-01-279-1072, 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 The Hilliard Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2530-01-279-1072 |
| Primary Part Number | 7200827 |
| Item Name | Diaphragm,chamber,brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | The Hilliard Corp |
| Status | ACTIVE |
| Mounting Hole Quantity | 8 |
| Diaphragm Type | FLANGED ANGULAR RECESSED |
| Mounting Method | FLANGE |
| Mounting Hole Diameter | 5.0 MILLIMETERS NOMINAL MM |
| Overall Outside Diameter | 140.0 MILLIMETERS NOMINAL MM |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 7200827 PRIMARY | The Hilliard Corp (USA) |
| Reference | Meaning |
|---|---|
| 720827 | 5/9 Secondary reference The Hilliard Corp |
NSN 2530-01-279-1072 is a Diaphragm,chamber,brake, manufactured by The Hilliard Corp, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-279-1072 has 1 manufacturer part number on file: 7200827 (The Hilliard Corp).
1 possible match (shared part number, not a government interchangeability claim): 4240-01-663-8673. Verify interchangeability with system specifications before substitution.
Key specifications for 7200827: Mounting Hole Quantity: 8; Diaphragm Type: FLANGED ANGULAR RECESSED; Mounting Method: FLANGE; Mounting Hole Diameter: 5.0 MILLIMETERS NOMINAL MM. 6 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.