The Brace,forward, cataloged under National Stock Number 1680-00-918-1640, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Harmonic Drive L.l.c.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Brace,forward |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | Harmonic Drive L.l.c. (CAGE 34519) |
| Parameter | Value |
|---|---|
| NSN | 1680-00-918-1640 |
| Primary Part Number | 7345120 |
| Item Name | Brace,forward |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Harmonic Drive L.l.c. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 7345120 | Harmonic Drive L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 28155 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-00-918-1640 is a Brace,forward, manufactured by Harmonic Drive L.l.c., classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-918-1640 has 1 manufacturer part number on file: 7345120 (Harmonic Drive L.l.c.).
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-077-6718, 5999-01-407-0589. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). 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.