The Chamber,air Brake, cataloged under National Stock Number 2530-00-165-9641, 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 Atap Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-165-9641 |
| Primary Part Number | MA15776 |
| Item Name | Chamber,air Brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Atap Inc |
| Status | ACTIVE |
| Stroke Length | 2.625 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 |
|---|---|
| MA15776 PRIMARY | Atap Inc (USA) |
| Reference | Meaning |
|---|---|
| 4045401 | 5/9 Secondary reference Aeroquip Corp Transportation Products Div Lawrence Plant |
| 4045401 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 |
NSN 2530-00-165-9641 is a Chamber,air Brake, manufactured by Atap Inc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-00-165-9641 has 1 manufacturer part number on file: MA15776 (Atap Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5310-00-811-4014, 2530-01-108-4139. Verify interchangeability with system specifications before substitution.
Key specifications for MA15776: Stroke Length: 2.625 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.