17B8D8621-501: VALVE,BUTTERFLY.
The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include valve_size: 4.000 INCHES IN, flange_shape: ROUND ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: STRAIGHT THRU FLANGED ENDS, features_provided: MANUAL OVERRIDE, flange_face_design: PLAIN ALL ENDS. This part is cataloged in the U.S.
Government catalog under NSN 4810-01-340-5123, 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.
| valve_size | 4.000 INCHES IN |
| flange_shape | ROUND ALL ENDS |
| connection_type | FLANGE ALL ENDS |
| style_designator | STRAIGHT THRU FLANGED ENDS |
| features_provided | MANUAL OVERRIDE |
| flange_face_design | PLAIN ALL ENDS |
| valve_operation_method | SOLENOID |
| end_item_identification | C-17 AIRCRAFT |
| media_for_which_designed | AIR SINGLE RESPONSE |
| nominal_outside_diameter | 4.510 INCHES ALL ENDS IN |
| voltage_in_volts_and_current_type | 28.0 DC |
| part_name_assigned_by_controlling_agency | VALVE, STARTER CONTROL |
| NSN | 4810-01-340-5123 |
| VOLTAGE IN VOLTS AND CURRENT TYPE | 14.0 DC AND 30.0 DC |
| OPERATING PRESSURE | 48.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| SPECIAL FEATURES | OVERALL LG 11.60 IN.; O/A WD 4.52IN.; THE BUTTERFLY MAY BE OPENED BY INSERTING A STANDARD TOOL IN THE SQUARE DRIVE AT THE BOTTOM OF THE BUTTERFLY SHAFT AND ROTATING THE VALVE BUTTERFLY TO THE DESIRED POSITION; PROOF PRESS (VALVE OPEN OR CLOSED) 96 PSIG AT 450 DEG F; BURST PRESS (VALVE OPEN OR CLOSED) 192 PSIG AT 450 DEG F IN |
| MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| END ITEM IDENTIFICATION | C-17 AIRCRAFT |
| VALVE OPERATION METHOD | ELECTRIC MOTOR OR MANUAL |
| CURRENT RATING IN AMPS | 1.000 |