The Bell Crank, cataloged under National Stock Number 1680-00-072-7857, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-072-7857 |
| Item Name | Bell Crank |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| Bore Length | 1.390 INCHES NOMINAL IN |
| Material Document and Classification | QQ-M-56, COMP AZ91C, T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Features Provided | BEARING |
| Bore Diameter | 0.563 INCHES NOMINAL IN |
| Material | MAGNESIUM ALLOY |
| 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 |
| Reference | Meaning |
|---|---|
| 3F31012-102 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-00-072-7857 is a Bell Crank, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-00-072-7857: Bore Length: 1.390 INCHES NOMINAL IN; Material Document and Classification: QQ-M-56, COMP AZ91C, T6 FED SPEC SINGLE MATERIAL RESPONSE; Features Provided: BEARING; Special Features: BELLCRANK HAS THREE ARMS, ALL SLOTTED. 5 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 1680-00-072-7857 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.