The Disc,brake, cataloged under National Stock Number 1630-00-180-3785, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St). The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 1630-00-180-3785 |
| Primary Part Number | 146099 |
| Item Name | Disc,brake |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 146099 PRIMARY | Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA) |
| 146099 PRIMARY | Nasco Aircraft Brake, Inc. Dba Nasco Aircraft Brake Inc Div Nasco (USA) |
| 146099 PRIMARY | United Aeronautical Corporation Dba United Aeronautical Corp (USA) |
| 146099 PRIMARY | Smith and Smith Aircraft Co (USA) |
| Reference | Meaning |
|---|---|
| 146099 | 5/9 Secondary reference Consolidated Aeronautics Corp |
NSN 1630-00-180-3785 is a Disc,brake, manufactured by Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St), classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-00-180-3785 has 4 manufacturer part numbers on file: 146099 (Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St)), 146099 (Nasco Aircraft Brake, Inc. Dba Nasco Aircraft Brake Inc Div Nasco), 146099 (United Aeronautical Corporation Dba United Aeronautical Corp), 146099 (Smith and Smith Aircraft Co).
2 possible matches (shared part number, not a government interchangeability claim): 5970-00-313-1989, 5950-01-177-0464. Verify interchangeability with system specifications before substitution.
Key specifications for 146099: Special Features: MATL STEEL,HEAT TREAT BRINELL HARDNESS 175 TO 225,FINISH PROTECTIVE COMPOUND ES0426 FSCM 06840,BRAKE SURFACES 30 UIN MACHINED FINISH,ROTOR TYPE W/EXTERNAL SLOTS,9 EA SEGMENTS LINK COUPLED TOGETHER,EA SEGMENT 0.344 PORM 0.002 IN. THK IN. 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 1630-00-180-3785 has DEMIL Code D. 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.