The Brake Booster Assembly,master Cy, cataloged under National Stock Number 2530-01-084-0449, 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 Direct Line, Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2530-01-084-0449 |
| Primary Part Number | A99541 |
| Item Name | Brake Booster Assembly,master Cy |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Direct Line, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | ITEM IS 15.70 IN.LG;8.40 IN.W; REQUIREMENTS:DISPLACEMENT-5.0 CU INCH,STROKE-2.6 INCH,CYLINDER ID:HYDRAULIC-1.75 INCH AND AIR-7.0 INCH IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| A99541 PRIMARY | Direct Line, Inc (USA) |
| 12008993 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| AF-99541 | 5/9 Secondary reference Federal Mogul Corp Sub Wagner Brake Moog Automotive Div |
| AF-99541 | 5/9 Secondary reference Lift Parts Mfg Co Inc Div of Echlin Mfg Co the |
NSN 2530-01-084-0449 is a Brake Booster Assembly,master Cy, manufactured by Direct Line, Inc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-084-0449 has 2 manufacturer part numbers on file: A99541 (Direct Line, Inc), 12008993 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-195-3996. Verify interchangeability with system specifications before substitution.
Key specifications for A99541: General Characteristics Item Description: ITEM IS 15.70 IN.LG;8.40 IN.W; REQUIREMENTS:DISPLACEMENT-5.0 CU INCH,STROKE-2.6 INCH,CYLINDER ID:HYDRAULIC-1.75 INCH AND AIR-7.0 INCH 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.
NSN 2530-01-084-0449 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.