The Chamber,air Brake, cataloged under National Stock Number 2530-01-440-7502, 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 Meritor Industrial Products, Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2530-01-440-7502 |
| Primary Part Number | SA75701288X |
| Item Name | Chamber,air Brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Meritor Industrial Products, Llc |
| Status | ACTIVE |
| Diaphragm Quantity | 1 |
| Criticality Code Justification | FEAT |
| Features Provided | BOLTED FLANGE HOUSING TYPE |
| Function for Which Designed | SERVICE BRAKING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| SA75701288X PRIMARY | Meritor Industrial Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 75 700 985 | 5/9 Secondary reference Ccc Parts Company Dba Truck Parts Specialists |
| SA75700985 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
| SA75701288X | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
| 75 700 985 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
NSN 2530-01-440-7502 is a Chamber,air Brake, manufactured by Meritor Industrial Products, Llc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-440-7502 has 1 manufacturer part number on file: SA75701288X (Meritor Industrial Products, Llc).
1 possible match (shared part number, not a government interchangeability claim): 2530-01-548-3819. Verify interchangeability with system specifications before substitution.
Key specifications for SA75701288X: Diaphragm Quantity: 1; Criticality Code Justification: FEAT; Features Provided: BOLTED FLANGE HOUSING TYPE; Function for Which Designed: SERVICE BRAKING. 4 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.