The Gearbox Assembly,aircraft, cataloged under National Stock Number 1680-00-248-8553, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-248-8553 |
| Item Name | Gearbox Assembly,aircraft |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Aircraft Location | TRAILING EDGE FLAP |
| Aircraft Mission Design Series | C-5 ACFT |
| Reference Number Differentiating Characteristics | LOCKHEED SOURCE CONTROL DWG NO. 4C95016-105D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 5901-105D | 3/3 Design control — primary reference U.S. Government activity |
| 5901-105D | 5/9 Secondary reference Speco Corp |
| 4C95016-105D | 1/3 Source control — Government-approved source U.S. Government activity |
NSN 1680-00-248-8553 is a Gearbox Assembly,aircraft, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-00-248-8553: Criticality Code Justification: FEAT; Special Features: THE C-5 FLAT SLAT ACTUATION IS CRITICAL TO THE SAFE OPERATION OF THE AIRCRAFT; Aircraft Location: TRAILING EDGE FLAP; Aircraft Mission Design Series: C-5 ACFT. 4 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 1680-00-248-8553 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.