The Chamber,air Brake, cataloged under National Stock Number 2530-00-436-7481, 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 Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2530-00-436-7481 |
| Primary Part Number | 222831 |
| Item Name | Chamber,air Brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems |
| Status | ACTIVE |
| Line Connection Thread Size and Series/type Designator | 0.250-18 NPT |
| Stroke Length | 2.500 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 |
|---|---|
| 833-SD-301 | Dana Off Highway Products, Llc (USA) |
| 222831 PRIMARY | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA) |
| 301-SD-483 | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 301-SD-483 | 5/9 Secondary reference Vme Americas Inc Sub of Vme Group N V |
| 833-SD-301 | 5/9 Secondary reference Vme Americas Inc Sub of Vme Group N V |
NSN 2530-00-436-7481 is a Chamber,air Brake, manufactured by Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-00-436-7481 has 3 manufacturer part numbers on file: 833-SD-301 (Dana Off Highway Products, Llc), 222831 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems), 301-SD-483 (Dana Off Highway Products, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-478-9286. Verify interchangeability with system specifications before substitution.
Key specifications for 222831: Line Connection Thread Size and Series/type Designator: 0.250-18 NPT; Special Features: STUD MTD; CLEVIS PIN INCLUDED; Stroke Length: 2.500 INCHES IN. 2 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.