The Chamber,air Brake, cataloged under National Stock Number 2530-01-092-9289, 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 Heavy Vehicle Systems, Llc. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-092-9289 |
| Primary Part Number | U553276L12 |
| Item Name | Chamber,air Brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| U553276L12 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| MJW1216AT071 PRIMARY | Indian Head Industries, Inc. Div Mgm Brakes (USA) |
| 327601135E PRIMARY | Meritor Industrial Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| U34-3276L12X | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
| U543276L12 | 5/9 Secondary reference Meritor Industrial Products, Llc |
| MJW1216AT71 | 5/9 Secondary reference Indian Head Industries, Inc. Div Mgm Brakes |
| U543276L12 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
NSN 2530-01-092-9289 is a Chamber,air Brake, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-092-9289 has 3 manufacturer part numbers on file: U553276L12 (Meritor Heavy Vehicle Systems, Llc), MJW1216AT071 (Indian Head Industries, Inc. Div Mgm Brakes), 327601135E (Meritor Industrial Products, Llc).
Key specifications for U553276L12: End Item Identification: EAA NSN 2330011173280 M860A1. 0 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.