The Housing Assembly,plunger Brake,s, cataloged under National Stock Number 2530-01-474-2034, 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 Caterpillar Inc Div Caterpillar Defense. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-474-2034 |
| Primary Part Number | 2780221 |
| Item Name | Housing Assembly,plunger Brake,s |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| 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 |
|---|---|
| 2780221 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 055-1259 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 2530-01-474-2034 is a Housing Assembly,plunger Brake,s, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-474-2034 has 1 manufacturer part number on file: 2780221 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 2780221: End Item Identification: CONTRACTOR LOGISTICS LIFETIME SUPPORT (CRLS); ROLLER, VIBRATORY, SELF-PROPELLED TYPE II; CATERPILLAR MODEL CS-563D; CONTRACT NO. DAAE07-98-C-S007; NSN 3895-01-456-2735; TM-5-3895-383. 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.