563-6984943: PISTON,LINEAR ACTUATING CYLINDER.
PISTON,LINEAR ACTUATING CYLINDER. Key specifications include material: ALUMINUM ALLOY, overall_length: 2.500 INCHES NOMINAL IN, outside_diameter: 3.490 INCHES NOMINAL IN, special_features: FUNCTIONS AS A PISTON AND RESEMBLES A SHAFT; 1 GROOVE REQUIRES PACKINGS FOR PROPER SEAL, style_designator: CRESCENT, HOOK STOP, material_thickness: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 3040-01-499-0917, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | ALUMINUM ALLOY |
| overall_length | 2.500 INCHES NOMINAL IN |
| outside_diameter | 3.490 INCHES NOMINAL IN |
| special_features | FUNCTIONS AS A PISTON AND RESEMBLES A SHAFT; 1 GROOVE REQUIRES PACKINGS FOR PROPER SEAL |
| style_designator | CRESCENT, HOOK STOP |
| material_thickness | 0.500 INCHES NOMINAL IN |
| nominal_thread_size | 1.250 INCHES IN |
| ring_groove_quantity | 1 |
| end_item_identification | LOS ANGELES CLASS SSN (688) |
| pivot_pin_hole_diameter | 0.500 INCHES NOMINAL IN |
| part_name_assigned_by_controlling_agency | PISTON |
| length_from_pivot_pinhole_centerline_to_point_of_engagement | 0.906 INCHES NOMINAL IN |
| NSN | 3040-01-499-0917 |
| OUTSIDE DIAMETER | 3.490 INCHES NOMINAL IN |
| OVERALL LENGTH | 16.094 INCHES NOMINAL IN |
| NOMINAL THREAD SIZE | 1.250 INCHES IN |
| RING GROOVE QUANTITY | 1 |
| SPECIAL FEATURES | FUNCTIONS AS A PISTON AND RESEMBLES A SHAFT; 1 GROOVE REQUIRES PACKINGS FOR PROPER SEAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PISTON |
| END ITEM IDENTIFICATION | LOS ANGELES CLASS SSN (688) |
| MATERIAL | ALUMINUM ALLOY |