The Stop,dog,spring Clutch, cataloged under National Stock Number 1680-01-071-5517, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-071-5517 |
| Item Name | Stop,dog,spring Clutch |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,AMS6415 COMP 4340; ROCKWELL C SCALE 34 MIN,38 MAX HARDNESS; 0.846 IN. MIN,0.847 IN. MAX OD; 0.620 IN. MIN,0.630 IN. MAX ID; 0.220 IN. MIN,0.225 IN. MAX O/A LG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 42305D235 | 5/9 Secondary reference U.S. Government activity |
| 42305-235 | 3/9 Design control — primary reference Goodrich Corporation Dba Trw Lucas Aerospace |
NSN 1680-01-071-5517 is a Stop,dog,spring Clutch, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-01-071-5517: General Characteristics Item Description: STEEL,AMS6415 COMP 4340; ROCKWELL C SCALE 34 MIN,38 MAX HARDNESS; 0.846 IN. MIN,0.847 IN. MAX OD; 0.620 IN. MIN,0.630 IN. MAX ID; 0.220 IN. MIN,0.225 IN. MAX O/A LG IN. 1 specification is 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 1680-01-071-5517 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.