NSN 4820-01-250-1868

Part Details | VALVE SEAT RETAINER

4820-01-250-1868 An item of various shapes and cross-sections, that may be flanged and that is designed to fit over a valve seat, allowing proper positioning of the seat with a flow control device.

Alternate Parts: 5492104360 PIECE 12, 549-2104360 PIECE 12, 5492104360, 549-2104360, 4820-01-250-1868, 01-250-1868, 4820012501868, 012501868

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48FEB 26, 198701-250-186848241 ( RETAINER, SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-250-1868
Part Number Cage Code Manufacturer
549-2104360 PIECE 1281316PORTSMOUTH NAVAL SHIPYARD
549-210436081316PORTSMOUTH NAVAL SHIPYARD
Technical Data | NSN 4820-01-250-1868
Characteristic Specifications
MATERIAL COPPER ALLOY
NOMINAL THREAD SIZE4.000 INCHES
VALVE SIZE FOR WHICH DESIGNED2.000 INCHES
VALVE DESIGN CONTROL ACTIVITY81316