The Bell Crank, cataloged under National Stock Number 1680-00-477-5417, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is A and M Aerospace, Inc.. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-477-5417 |
| Primary Part Number | 4C27084-109C |
| Item Name | Bell Crank |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | A and M Aerospace, Inc. |
| Status | ACTIVE |
| Bore Length | 3.620 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Bore Diameter | 1.120 INCHES NOMINAL IN |
| Material | ALUMINUM 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 |
| Part Number | Manufacturer |
|---|---|
| 4C27084-109C | A and M Aerospace, Inc. (USA) |
| 4C27084-109C | Aero Components, Llc (USA) |
| Reference | Meaning |
|---|---|
| 4C27084-109C | 5/2 Secondary reference U.S. Government activity |
| 4C27084-109C | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-00-477-5417 is a Bell Crank, manufactured by A and M Aerospace, Inc., classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-477-5417 has 2 manufacturer part numbers on file: 4C27084-109C (A and M Aerospace, Inc.), 4C27084-109C (Aero Components, Llc).
Key specifications for 4C27084-109C: Bore Length: 3.620 INCHES NOMINAL IN; Surface Treatment: ANODIZE; Bore Diameter: 1.120 INCHES NOMINAL IN; Material: ALUMINUM ALLOY. 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 1680-00-477-5417 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.