VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: STEEL COMP 440C OVERALL, flange_diameter: 0.860 INCHES MINIMUM AND 0.861 INCHES MAXIMUM IN, hardness_rating: 58.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM FACE, style_designator: PLAIN FLANGED, surface_treatment: PASSIVATE OVERALL, under_flange_height: 0.297 INCHES NOMINAL IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5220-00-267-3398, 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 440C OVERALL |
| flange_diameter | 0.860 INCHES MINIMUM AND 0.861 INCHES MAXIMUM IN |
| hardness_rating | 58.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM FACE |
| style_designator | PLAIN FLANGED |
| surface_treatment | PASSIVATE OVERALL |
| under_flange_height | 0.297 INCHES NOMINAL IN |
| body_inside_diameter | 0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| body_outside_diameter | 0.749 INCHES MINIMUM AND 0.751 INCHES MAXIMUM IN |
| seating_surface_shape | FLAT |
| seal_accommodation_type | GROOVED |
| flange_seat_to_disk_end_height | 0.093 INCHES NOMINAL IN |
| NSN | 5220-00-267-3398 |
| GAGING MEMBER OUTSIDE DIAMETER TOLERANCE | -0.00000 TO 0.00007 INCHES AND -0.00007 TO 0.00000 INCHES IN |
| AIR GROOVE FEATURE | NOT INCLUDED |
| GAGING MEMBER OUTSIDE DIAMETER | 0.2485 INCHES AND 0.2495 INCHES IN |
| FEATURES PROVIDED | COMBINATION GO NOT GO GAGE |
| DESIGN TYPE | DOUBLE END |