A640: VALVE,SAFETY RELIEF.
The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 BODY, seat_angle: 37.0 DEGREES FIRST END, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, style_designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS., thread_direction: RIGHT-HAND FIRST END. This part is cataloged in the U.S.
Government catalog under NSN 5325-00-449-3171, 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 316 BODY |
| seat_angle | 37.0 DEGREES FIRST END |
| connection_type | THREADED EXTERNAL PIPE FIRST END |
| connection_style | PLAIN (PIPE) FIRST END |
| style_designator | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS. |
| thread_direction | RIGHT-HAND FIRST END |
| surface_treatment | PASSIVATE LOCATION NOT OTHERWISE SPECIFIED |
| maximum_operating_temp | 75.0 CELSIUS SINGLE RESPONSE DEGC |
| valve_operation_method | AUTOMATIC |
| end_item_identification | BAND 9/10 TRA - AIRCRAFT, PROWLER EA-6B |
| opening_pressure_setting | 175.0 POUNDS PER SQUARE INCH LBS |
| material_document_and_classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM-A-479 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| NSN | 5325-00-449-3171 |
| DRIVE TYPE | SLOTTED |
| MATERIAL ACCOMMODATED THICKNESS | 0.391 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| TURNLOCK STUD SHANK STYLE | STUD SHANK |
| DIAMETER | 0.625 INCHES NOMINAL IN |
| SHANK NECK LENGTH | 0.530 INCHES NOMINAL IN |
| TURNLOCK STUD HEAD STYLE | FILLISTER |
| STUD SHANK MAJOR DIAMETER | 0.375 INCHES NOMINAL IN |
| SURFACE TREATMENT | CADMIUM OVERALL |
| MATERIAL | STEEL OVERALL |
| GRIP LENGTH | 0.760 INCHES NOMINAL IN |
No substitute or cross-reference records for this part.