PISTON,LINEAR ACTUATING CYLINDER. Key specifications include material: COPPER ALLOY, outside_diameter: 1.492 INCHES MINIMUM AND 2.119 INCHES MAXIMUM IN, end_item_identification: ROTARY HYDRAULIC ACTUATOR MODEL 4001SB (STOP BOLT); SEAWOLF, part_name_assigned_by_controlling_agency: SMALL PISTON. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-479-4976, 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 | COPPER ALLOY |
| outside_diameter | 1.492 INCHES MINIMUM AND 2.119 INCHES MAXIMUM IN |
| special_features | MATERIAL PER ASTM B150, AL-BRZ, ALLOY C63200; MOUNTED TO GEAR RACK W/COUNTER SUNK SOCKET HEAD CAP SCREW; T SHAPE-SMALLER END 1.492" DIA, LG END CONN TO GEAR RACK 2.119" DIA; 0.611 STROKE |
| ring_groove_quantity | 3 |
| end_item_identification | ROTARY HYDRAULIC ACTUATOR MODEL 4001SB (STOP BOLT); SEAWOLF |
| part_name_assigned_by_controlling_agency | SMALL PISTON |
| NSN | 3040-01-479-4976 |
| SPECIAL FEATURES | MATERIAL PER ASTM B150, AL-BRZ, ALLOY C63200; MOUNTED TO GEAR RACK W/COUNTER SUNK SOCKET HEAD CAP SCREW; T SHAPE-SMALLER END 1.492" DIA, LG END CONN TO GEAR RACK 2.119" DIA; 0.611 STROKE |
| OUTSIDE DIAMETER | 1.492 INCHES MINIMUM AND 2.119 INCHES MAXIMUM IN |
| RING GROOVE QUANTITY | 3 |
| MATERIAL | COPPER ALLOY |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SMALL PISTON |
| END ITEM IDENTIFICATION | ROTARY HYDRAULIC ACTUATOR MODEL 4001SB (STOP BOLT); SEAWOLF |