The Brake Booster Assembly,master Cy, cataloged under National Stock Number 2530-01-423-1886, 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 General Motors Llc Dba General Motors Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-423-1886 |
| Primary Part Number | 18020889 |
| Item Name | Brake Booster Assembly,master Cy |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | General Motors Llc Dba General Motors 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 |
|---|---|
| 18020889 | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 178-494 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 178-494 | 3/9 Design control — primary reference General Motors Corp AC-Delco Div Government Order Dept |
| 18020889 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 2530-01-423-1886 is a Brake Booster Assembly,master Cy, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-423-1886 has 1 manufacturer part number on file: 18020889 (General Motors Llc Dba General Motors Llc).
Key specifications for 18020889: Special Features: POWER BRAKE (VACUUM) BOOSTER; End Item Identification: WEAPON SYSTEM E/I SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE). 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.