The Piston,hydraulic Brake, cataloged under National Stock Number 2530-00-079-8458, 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 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-079-8458 |
| Primary Part Number | 277854 |
| Item Name | Piston,hydraulic Brake |
| 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 |
| Length | 2.065 INCHES NOMINAL IN |
| Surface Condition | EXTERNALLY GROOVED |
| Outside Diameter | 2.370 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| L32329 | Cnh Industrial America Llc Dba Cnh America (USA) |
| 17-BV-66 | Oshkosh Defense Llc (USA) |
| 277854 PRIMARY | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA) |
| Reference | Meaning |
|---|---|
| 2455359 | 5/9 Secondary reference U.S. Government activity |
| 71522 | 5/9 Secondary reference U.S. Government activity |
| 17-BV-66 | 5/9 Secondary reference Oshkosh Corp |
| 194982 | 5/9 Secondary reference U.S. Government activity |
| 624VLK0365B | 5/9 Secondary reference Arrow-Master, Incorporated |
NSN 2530-00-079-8458 is a Piston,hydraulic Brake, 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 2530-00-079-8458 has 3 manufacturer part numbers on file: L32329 (Cnh Industrial America Llc Dba Cnh America), 17-BV-66 (Oshkosh Defense Llc), 277854 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems).
6 possible matches (shared part number, not a government interchangeability claim): 6920-00-456-8457, 5999-00-883-4248, 5305-01-071-7116. Verify interchangeability with system specifications before substitution.
Key specifications for 277854: Length: 2.065 INCHES NOMINAL IN; Surface Condition: EXTERNALLY GROOVED; Outside Diameter: 2.370 INCHES NOMINAL IN; Special Features: W/0.215 IN. WIDE SEAL RING GROOVE AROUND OD IN. 4 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.