FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: NICKEL ALLOY SEAT, bonnet_type: INSIDE SPRING, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: GASKET SEAL (PIPE) ALL ENDS, style_designator: ANGLE, operating_pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-134-1260, 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 | GASKET SEAL (PIPE) ALL ENDS |
| style_designator | ANGLE |
| operating_pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| flow_control_device | DISK |
| maximum_operating_temp | 165.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| valve_operation_method | AUTOMATIC |
| end_item_identification | OLIVER HAZARD PERRY CLASS FFG |
| bonnet_attachment_method | BOLTED |
| media_for_which_designed | AIR FIRST RESPONSE |
| NSN | 4820-01-134-1260 |
| CONNECTION STYLE | GASKET SEAL (PIPE) ALL ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE |
| MATERIAL | NICKEL ALLOY SEAT |
| BONNET TYPE | INSIDE SPRING |
| FLOW CONTROL DEVICE | DISK |
| VALVE OPERATION METHOD | AUTOMATIC |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE |