The Brake Booster Assembly,master Cy, cataloged under National Stock Number 2530-01-688-5639, 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 Detroit Defense Systems, Llc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2530-01-688-5639 |
| Primary Part Number | Y000868-13095 |
| Item Name | Brake Booster Assembly,master Cy |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Detroit Defense Systems, Llc |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Document Type | MILITARY DRAWING |
| Port Quantity | 3 |
| Mounting Method | BOLTED |
| Criticality Code Justification | FEAT |
| Shape | IRREGULAR |
| Component Document Origin | GOVERNMENT |
| Vehicle Identification Designator | HMMWV |
| Document Source | 19207 |
| Vehicle Design Control Activity | 19207 |
| Test Data Document | FMVSS 105 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| Usage Design | BRAKE BOOSTER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| Y000868-13095 PRIMARY | Detroit Defense Systems, Llc (USA) |
| 12598919 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| Y000868-13095 | C/1 Advisory reference — outside the item-of-supply concept Detroit Defense, Inc. |
NSN 2530-01-688-5639 is a Brake Booster Assembly,master Cy, manufactured by Detroit Defense Systems, Llc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-688-5639 has 2 manufacturer part numbers on file: Y000868-13095 (Detroit Defense Systems, Llc), 12598919 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for Y000868-13095: Mounting Hole Quantity: 4; Document Type: MILITARY DRAWING; Port Quantity: 3; Mounting Method: BOLTED. 13 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.