NSN 4820-01-261-9742

Part Details | VALVE SEAT

4820-01-261-9742 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: 717252, H8413 PIECE 181, H-8413 PIECE 181, H8413, H-8413, B3411, B-3411, 717252, H8413 PIECE 181, H-8413 PIECE 181, 4820-01-261-9742, 01-261-9742, 4820012619742, 012619742

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48AUG 20, 198701-261-974222113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-261-9742
Part Number Cage Code Manufacturer
71725282328DRESSER RAND CO TERRY CORP STEAMTURBINE MOTOR AND GENERATOR CO A
H-8413 PIECE 18182328DRESSER RAND CO TERRY CORP STEAMTURBINE MOTOR AND GENERATOR CO A
H-841382328DRESSER RAND CO TERRY CORP STEAMTURBINE MOTOR AND GENERATOR CO A
B-341182328DRESSER RAND CO TERRY CORP STEAMTURBINE MOTOR AND GENERATOR CO A
7172520BR59SIEMENS GOVERNMENT TECHNOLOGIES,INC.
H-8413 PIECE 1810BR59SIEMENS GOVERNMENT TECHNOLOGIES,INC.
Technical Data | NSN 4820-01-261-9742
Characteristic Specifications
STYLE DESIGNATOR4 THREADED FLANGED
FLANGE DIAMETER1.998 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.8765 INCHES NOMINAL
BODY INSIDE DIAMETER1.000 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.375 INCHES NOMINAL
UNDER FLANGE HEIGHT0.250 INCHES NOMINAL
SEATING SURFACE SHAPE O-RING
SEAL ACCOMMODATION TYPE GROOVED