NSN 4820-01-162-5123

Part Details | VALVE SEAT

4820-01-162-5123 A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.

Alternate Parts: 1R1800 23122, 4820-01-162-5123, 01-162-5123, 4820011625123, 011625123

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48SEP 20, 198301-162-512322113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-162-5123
Part Number Cage Code Manufacturer
1R1800 2312222508FISHER CONTROLS CO INC
Technical Data | NSN 4820-01-162-5123
Characteristic Specifications
STYLE DESIGNATOR4 THREADED FLANGED
FLANGE DIAMETER4.295 INCHES NOMINAL
BODY OUTSIDE DIAMETER2.125 INCHES NOMINAL
BODY INSIDE DIAMETER1.358 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT1.138 INCHES NOMINAL
UNDER FLANGE HEIGHT0.408 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT