The Chamber,air Brake, cataloged under National Stock Number 2530-01-688-2274, 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 Haldex Brake Products Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-688-2274 |
| Primary Part Number | MA15655 |
| Item Name | Chamber,air Brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Haldex Brake Products Corporation |
| Status | ACTIVE |
| Stroke Length | 2.25 INCHES 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 |
|---|---|
| MA15655 PRIMARY | Haldex Brake Products Corporation (USA) |
| KSMR1PT50-800NN PRIMARY | Haldex Brake Products Corporation (USA) |
| KSMR1PT50-800NN | Thales Australia - Bendigo Land & Joint Systems (AUS) |
| MA15655 | Air Brake Systems Pty Ltd (AUS) |
NSN 2530-01-688-2274 is a Chamber,air Brake, manufactured by Haldex Brake Products Corporation, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-688-2274 has 4 manufacturer part numbers on file: MA15655 (Haldex Brake Products Corporation), KSMR1PT50-800NN (Haldex Brake Products Corporation), KSMR1PT50-800NN (Thales Australia - Bendigo Land & Joint Systems), MA15655 (Air Brake Systems Pty Ltd).
Key specifications for MA15655: Special Features: ALL STEEL HOUSING PROVIDE STRENGTH, DURABILITY AND EXTRA CORROSION RESISTANCE; ALUMINUM PISTON AND NYLON BEARINGS PROVIDE MAXIMUM GUIDANCE STABILITY THAT DIFFUSES LATERAL AND TWISTING MOTION; STEEL ALLOY SPRINGS ARE EPOXY COATED TO PROTECT AGAINST RUST AND CORROSION; DEEPER SPRING CAVITIES AND OPTIONAL SPRING FORCE OUTPUTS OFFER UNIFORM OUTPUT AND LONGER SERVICE LIFE; UNIT CANNOT BE RELEASED MANUALLY, MAKING IT INOPERATIVE, THIS INSURES THE VEHICLE CANNOT BE MOVED UNTIL THE AIR SUPPLY IS AT A SAFE LEVEL; MAXIMUM AIR PRESSURE - 125 PSI; SINGLE PACKS - 1 PER BOX; Part Name Assigned by Controlling Agency: MAXIBRAKE SPRING BRAKE; Stroke Length: 2.25 INCHES IN. 1 specification is 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.