PISTON,LINEAR ACTUATING CYLINDER. Key specifications include material: STEEL COMP 630 OVERALL, bore_style: STRAIGHT SPLINE BOTH ENDS, teeth_quantity: 32, spline_quantity: 8 BOTH ENDS, special_features: CRITICAL TECHNOLOGY; EXPORT CONTROLLED, attachment_method: MOUNTING HOLE. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-01-488-5192, 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 | STEEL COMP 630 OVERALL |
| bore_style | STRAIGHT SPLINE BOTH ENDS |
| teeth_quantity | 32 |
| spline_quantity | 8 BOTH ENDS |
| special_features | CRITICAL TECHNOLOGY; EXPORT CONTROLLED |
| attachment_method | MOUNTING HOLE |
| bore_nominal_diameter | 3.749 INCHES BOTH ENDS IN |
| end_item_identification | ROTARY HYDRAULIC ACTUATOR MODEL 218TDU |
| material_document_and_classification | ASTM A564, ALLOY S174, TY 630, COND H1075 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| part_name_assigned_by_controlling_agency | PINION |
| NSN | 3020-01-488-5192 |
| TEETH QUANTITY | 32 |
| BORE NOMINAL DIAMETER | 3.749 INCHES BOTH ENDS IN |
| SPLINE QUANTITY | 8 BOTH ENDS |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PINION |
| SPECIAL FEATURES | CRITICAL TECHNOLOGY; EXPORT CONTROLLED |
| BORE STYLE | STRAIGHT SPLINE BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A564, ALLOY S174, TY 630, COND H1075 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| END ITEM IDENTIFICATION | ROTARY HYDRAULIC ACTUATOR MODEL 218TDU |
| MATERIAL | STEEL COMP 630 OVERALL |
| ATTACHMENT METHOD | MOUNTING HOLE |