NSN 4820-00-975-7128

Part Details | VALVE SEAT

4820-00-975-7128 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: 9757128, 975-7128, 42576, 4820-00-975-7128, 00-975-7128, 4820009757128, 009757128

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196200-975-712822113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-00-975-7128
Part Number Cage Code Manufacturer
975-712859155MARINE DIESEL INC
4257681873WOODWARD HRT, INC.
Technical Data | NSN 4820-00-975-7128
Characteristic Specifications
STYLE DESIGNATORA PLAIN
FLANGE DIAMETER0.434 INCHES MINIMUM AND 0.436 INCHES MAXIMUM
OVERALL HEIGHT0.250 INCHES NOMINAL
BODY OUTSIDE DIAMETER0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM
UNDER FLANGE HEIGHT0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG90.000 NOMINAL