CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include material: NICKEL ALLOY SEAT, bonnet_type: INSIDE SPRING, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: REDUCED GASKET SEAL ALL ENDS, style_designator: ANGLE, flow_control_device: DISK. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-131-5918, 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 | NICKEL ALLOY SEAT |
| bonnet_type | INSIDE SPRING |
| connection_type | UNTHREADED INTERNAL PIPE ALL ENDS |
| connection_style | REDUCED GASKET SEAL ALL ENDS |
| style_designator | ANGLE |
| flow_control_device | DISK |
| valve_operation_method | AUTOMATIC |
| end_item_identification | COMBAT SYSTEM SUPPORT EQUIPMENT |
| bonnet_attachment_method | BOLTED |
| adjustable_pressure_range | +25.0 TO 29.0 POUNDS PER SQUARE INCH LBS |
| nominal_pipe_size_accommodated | 0.500 INCHES ALL ENDS IN |
| material_document_and_classification | QQ-C-390,ALLOY D4/D/ FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-281 FED SPEC 2ND MATERIAL RESPONSE SEAT |
| NSN | 4820-01-131-5918 |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES ALL ENDS IN |
| MATERIAL | STEEL COMP 316 STEM |
| ADJUSTABLE PRESSURE RANGE | +25.0 TO 29.0 POUNDS PER SQUARE INCH LBS |
| MATERIAL | NICKEL ALLOY SEAT |
| MATERIAL | COPPER ALLOY BODY |
| CONNECTION STYLE | REDUCED GASKET SEAL ALL ENDS |
| FLOW CONTROL DEVICE | DISK |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4/D/ FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-281 FED SPEC 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4/D/ FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-281 FED SPEC 2ND MATERIAL RESPONSE SEAT |
| VALVE OPERATION METHOD | AUTOMATIC |