The Disc,brake, cataloged under National Stock Number 1630-01-586-8182, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 1630-01-586-8182 |
| Primary Part Number | 42315-55 |
| Item Name | Disc,brake |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Hornet Acquisitionco, Llc Dba Onboard Systems |
| Status | ACTIVE |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 42315-55 PRIMARY | Hornet Acquisitionco, Llc Dba Onboard Systems (USA) |
NSN 1630-01-586-8182 is a Disc,brake, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-01-586-8182 has 1 manufacturer part number on file: 42315-55 (Hornet Acquisitionco, Llc Dba Onboard Systems).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-663-2398. Verify interchangeability with system specifications before substitution.
Key specifications for 42315-55: Overall Width: 0.500 INCHES NOMINAL IN; Special Features: OUTSIDE DIAMETER:2.38 INCHES; INSIDE DIAMETER:1.155 INCHES IN; End Item Identification: USED ON 42315-3, RESCUE HOIST HELICOPTER; Material: STEEL. 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 1630-01-586-8182 has DEMIL Code B. 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.