520-077: VALVE,LINEAR,DIRECTIONAL CONTROL.
VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include end_item_identification: BAND MASK, part_name_assigned_by_controlling_agency: PURG BUTTON STICKER. This part is cataloged in the U.S.
Government catalog under NSN 4820-01-533-1346, 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.
| end_item_identification | BAND MASK |
| part_name_assigned_by_controlling_agency | PURG BUTTON STICKER |
| NSN | 4820-01-533-1346 |
| FURNISHED ITEMS AND QUANTITY | 1 RELIEF VALVE |
| POPPET QUANTITY | 1 |
| MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED | 225.0 FAHRENHEIT OIL, HYDRAULIC DEGF |
| OPERATING PRESSURE AND TYPE | 4500.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| CONNECTION TYPE | THREADED INTERNAL PIPE |
| END CONNECTION QUANTITY | 8 |
| FEATURES PROVIDED | SPRING CENTERED |
| SPOOL QUANTITY | 3 |
| BODY MATERIAL | IRON CAST |
| SPECIAL FEATURES | 4-WAY, 3 POSITION SPOOLS, SPRING ENTERED TO NEUTRAL; ADJUSTABLE PIN TYPE RELIEF VALVE FACTORY SET AT 2,000 PSI; 3/4-16 SAE INLET AND RETURN PORTS, 9/16-18 SAE FOR WORK PORTS |