The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, inside_diameter: 2.820 INCHES NOMINAL IN, outside_diameter: 3.550 INCHES NOMINAL IN, overall_thickness: 0.830 INCHES NOMINAL IN, criticality_code_justification: FEAT. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-772-2891, 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 | COPPER ALLOY |
| inside_diameter | 2.820 INCHES NOMINAL IN |
| outside_diameter | 3.550 INCHES NOMINAL IN |
| special_features | SPACER IS FLANGED W/REDUCED DIA. OF 3.130 IN; ITEM IS NOT CSI BUT HAS CRITICAL FEATURES THAT MUST MAINTAIN A TIGHT FIT TOLERANCE IN |
| overall_thickness | 0.830 INCHES NOMINAL IN |
| criticality_code_justification | FEAT |
| NSN | 4820-00-772-2891 |
| NOMINAL THREAD SIZE | 0.548 INCHES SECOND END IN |
| FLOW CONTROL DEVICE | POPPET |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| CONNECTION STYLE | FLARELESS ALL ENDS |
| MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| DISK LOADING METHOD | SPRING |
| NOMINAL THREAD SIZE | 0.562 INCHES FIRST END IN |
| OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| SEAT ANGLE | 12.0 DEGREES ALL ENDS |
| SURFACE TREATMENT | PASSIVATE |