The Disc,brake, cataloged under National Stock Number 1630-01-079-6644, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Hornet Acquisitionco, Llc Dba Onboard Systems. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1630-01-079-6644 |
| Primary Part Number | 42325-255 |
| Item Name | Disc,brake |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Hornet Acquisitionco, Llc Dba Onboard Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 42325-255 PRIMARY | Hornet Acquisitionco, Llc Dba Onboard Systems (USA) |
| Reference | Meaning |
|---|---|
| 42325-255 | 5/9 Secondary reference Goodrich Corporation Dba Trw Lucas Aerospace |
| 42277D176 | 5/9 Secondary reference U.S. Government activity |
| 42325-255 | 5/9 Secondary reference U.S. Government activity |
NSN 1630-01-079-6644 is a Disc,brake, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-01-079-6644 has 1 manufacturer part number on file: 42325-255 (Hornet Acquisitionco, Llc Dba Onboard Systems).
Key specifications for 42325-255: End Item Identification: HELICOPTER,UTILITY; UH-1 SERIES. 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.
NSN 1630-01-079-6644 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.