The Bell Crank, cataloged under National Stock Number 1680-01-723-5739, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1680-01-723-5739 |
| Primary Part Number | A030-066-QAA010 PC 83 |
| Item Name | Bell Crank |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 0.875 INCHES MINIMUM AND 0.877 INCHES MAXIMUM SECOND END IN |
| Material Document and Classification | ASTM A276/A276M,TYPE 316,COND A NATIONAL STD SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| 803-8436639-83 | Naval Sea Systems Command (USA) |
| A030-066-QAA010 PC 83 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 8436639 | D/9 Drawing number reference only Naval Sea Systems Command |
| 8436639 REV - PC 83 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 1680-01-723-5739 is a Bell Crank, manufactured by Naval Sea Systems Command, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-723-5739 has 2 manufacturer part numbers on file: 803-8436639-83 (Naval Sea Systems Command), A030-066-QAA010 PC 83 (Naval Sea Systems Command).
Key specifications for A030-066-QAA010 PC 83: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 0.875 INCHES MINIMUM AND 0.877 INCHES MAXIMUM SECOND END IN; Material Document and Classification: ASTM A276/A276M,TYPE 316,COND A NATIONAL STD SINGLE MATERIAL RESPONSE; Special Features: 0.500 INCHES,PL IN. 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.
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.