The Piston,hydraulic Brake,master Cy, cataloged under National Stock Number 2530-01-253-0568, 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 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2530-01-253-0568 |
| Primary Part Number | 373778 |
| Item Name | Piston,hydraulic Brake,master Cy |
| 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 |
| Actuator Link Connection Type | FLAT BOTTOM SOCKET |
| 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 |
|---|---|
| 373778 PRIMARY | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA) |
| 3K0788 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| TFAF2368A | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 8333870 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 7376692 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 951787 | 5/9 Secondary reference Vme Americas Inc Sub of Vme Group N V |
| 3K788 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 58174-R92 | 5/2 Secondary reference U.S. Government activity |
NSN 2530-01-253-0568 is a Piston,hydraulic Brake,master Cy, 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 2530-01-253-0568 has 2 manufacturer part numbers on file: 373778 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems), 3K0788 (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-382-0191. Verify interchangeability with system specifications before substitution.
Key specifications for 373778: Actuator Link Connection Type: FLAT BOTTOM SOCKET; End Item Identification: 2320-00-050-9004 TRUCK TRACTOR,WRECKER. 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.
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.