The Parts Kit,gearbox, cataloged under National Stock Number 1680-01-527-9955, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Thomas Instrument, Incorporated. Government technical data includes 3 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-527-9955 |
| Primary Part Number | 87649-01 |
| Item Name | Parts Kit,gearbox |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Thomas Instrument, Incorporated |
| Status | ACTIVE |
| Component Quantity | 86 |
| End Item Source | 78567 |
| End Item Name | GEARBOX ASSEMBLY, AIRCRAFT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 87649-01 PRIMARY | Thomas Instrument, Incorporated (USA) |
NSN 1680-01-527-9955 is a Parts Kit,gearbox, manufactured by Thomas Instrument, Incorporated, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-527-9955 has 1 manufacturer part number on file: 87649-01 (Thomas Instrument, Incorporated).
Key specifications for 87649-01: Component Quantity: 86; End Item Source: 78567; End Item Name: GEARBOX ASSEMBLY, AIRCRAFT; Special Features: PART NUMBER AS3578-034 HAS A SHELF LIFE OF 180 MONTHS. SHELF LIFE PERTAINS TO THE TWO O-RINGS. TOTAL DIFFERENT ITEMS EQUALS 30 ITEMS IN KIT.. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1680-01-527-9955 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.