NSN 4820-01-145-0987

Part Details | VALVE SEAT

4820-01-145-0987 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: 499505760023940, 167332, 16733-2, A167332, A-16733-2, 4820-01-145-0987, 01-145-0987, 4820011450987, 011450987

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 05, 198301-145-098722113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-145-0987
Part Number Cage Code Manufacturer
49950576002394009032TATE ANDALE, INC.
16733-209032TATE ANDALE, INC.
A-16733-209032TATE ANDALE, INC.
Technical Data | NSN 4820-01-145-0987
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER3.885 INCHES NOMINAL
BODY INSIDE DIAMETER0.500 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT1.000 INCHES NOMINAL
UNDER FLANGE HEIGHT0.750 INCHES NOMINAL
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS45.750 INCHES NOMINAL
TAPER LENGTH0.125 INCHES NOMINAL