The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROSILICONE CLASS FQ PACKING, flange_shape: ROUND ALL ENDS, connection_type: FLANGE ALL ENDS, special_features: THRU-FLOW, PRESSURE ACTIVIATED, SHUT OFF VALVE, style_designator: STRAIGHT THRU, mounting_position: VERTICAL. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-185-9561, 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 | RUBBER FLUOROSILICONE CLASS FQ PACKING |
| flange_shape | ROUND ALL ENDS |
| connection_type | FLANGE ALL ENDS |
| special_features | THRU-FLOW, PRESSURE ACTIVIATED, SHUT OFF VALVE |
| style_designator | STRAIGHT THRU |
| mounting_position | VERTICAL |
| nominal_thickness | 0.085 INCHES ALL ENDS IN |
| flange_face_design | PLAIN ALL ENDS |
| flow_control_device | SLIDESLIDE |
| fsc_application_data | FUEL SYSTEM, AIRCRAFT, CENTER FUSELAGE, WING ROOT TANK |
| valve_operation_method | AUTOMATICAUTOMATIC |
| end_item_identification | B-1BB-1B |
| NSN | 4820-01-185-9561 |
| MATERIAL | ALUMINUM ALLOY 380.0 STEM |
| FSC APPLICATION DATA | FUEL SYSTEM, AIRCRAFT, CENTER FUSELAGE, WING ROOT TANK |
| END ITEM IDENTIFICATION | B-1BB-1B |
| MATERIAL | ALUMINUM ALLOY 356.0 BODY |
| NOMINAL OUTSIDE DIAMETER | 3.313 INCHES ALL ENDS IN |
| NOMINAL THICKNESS | 0.085 INCHES ALL ENDS IN |
| MOUNTING POSITION | VERTICAL |
| MATERIAL | ALUMINUM ALLOY 380.0 FLOW CONTROL DEVICE |
| FLOW CONTROL DEVICE | SLIDESLIDE |
| SPECIAL FEATURES | THRU-FLOW, PRESSURE ACTIVIATED, SHUT OFF VALVE |