The Bell Crank Assembly,flight Contr, cataloged under National Stock Number 1680-00-172-5975, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-172-5975 |
| Primary Part Number | 107C1221-6 |
| Item Name | Bell Crank Assembly,flight Contr |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,COMPOSITION 7075,TEMPER T73,4.000 IN. CENTER TOCENTER DISTANCE BETWEEN FULCRUM AND FIRST ARM END HOLE,4.569 IN.CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND SECOND ARM END HOLE,5.000 IN. CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND THIRD ARM ENDHOLE,1.518 IN. O/A LG IN |
| 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 |
|---|---|
| 107C1221-6 PRIMARY | The Boeing Company (USA) |
NSN 1680-00-172-5975 is a Bell Crank Assembly,flight Contr, manufactured by The Boeing Company, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-172-5975 has 1 manufacturer part number on file: 107C1221-6 (The Boeing Company).
Key specifications for 107C1221-6: General Characteristics Item Description: ALUMINUM ALLOY,COMPOSITION 7075,TEMPER T73,4.000 IN. CENTER TOCENTER DISTANCE BETWEEN FULCRUM AND FIRST ARM END HOLE,4.569 IN.CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND SECOND ARM END HOLE,5.000 IN. CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND THIRD ARM ENDHOLE,1.518 IN. 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 1680-00-172-5975 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.