The Piston,actuator, cataloged under National Stock Number 1680-01-140-2302, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-140-2302 |
| Item Name | Piston,actuator |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,ALLOY 4340,18.071 IN. NOM O/A LG,1.775 IN. NOM O/A OD,ONE END SPLINED,0.7453 IN. NOM O/A SPLINE MAJOR DIA.,THREAD DESIGNATOR SERIES 16 UNJF-3A,COMPONENT OF ACTUATOR ASSY,MAIN ROTOR HEAD A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Reference | Meaning |
|---|---|
| 274047-21 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| 274047-21 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-01-140-2302 is a Piston,actuator, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-01-140-2302: General Characteristics Item Description: STEEL,ALLOY 4340,18.071 IN. NOM O/A LG,1.775 IN. NOM O/A OD,ONE END SPLINED,0.7453 IN. NOM O/A SPLINE MAJOR DIA.,THREAD DESIGNATOR SERIES 16 UNJF-3A,COMPONENT OF ACTUATOR ASSY,MAIN ROTOR HEAD A. 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 1680-01-140-2302 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.