The Bell Crank, cataloged under National Stock Number 1680-00-858-8467, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 7 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-858-8467 |
| Primary Part Number | 554617 |
| Item Name | Bell Crank |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM FIRST END IN |
| End Hole/ball Diameter | 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM FIRST END IN |
| FSC Application Data | CONTROL,PROPELLER |
| Bore Length | 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Style Designator | RAISED FACE PIVOT AND END HOLES |
| Bore Diameter | 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 554617 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 1680-00-858-8467 is a Bell Crank, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-858-8467 has 1 manufacturer part number on file: 554617 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-125-5186. Verify interchangeability with system specifications before substitution.
Key specifications for 554617: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM FIRST END IN; End Hole/ball Diameter: 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM FIRST END IN; FSC Application Data: CONTROL,PROPELLER; Bore Length: 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN. 7 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.
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.