NSN 4820-01-030-7123

Part Details | VALVE SEAT

4820-01-030-7123 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: 2640744PC9, 2640-744PC9, SS8452109844PC9, SS845-2109844PC9, SS8452109844, SS845-2109844, 4820-01-030-7123, 01-030-7123, 4820010307123, 010307123

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48NOV 11, 197601-030-712322113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-01-030-7123
Part Number Cage Code Manufacturer
2640-744PC996169ELECTRIC BOAT CORPORATION
SS845-2109844PC953711NAVAL SEA SYSTEMS COMMAND
SS845-210984453711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 4820-01-030-7123
Characteristic Specifications
STYLE DESIGNATOR PLAIN
OVERALL HEIGHT0.312 INCHES NOMINAL
BODY OUTSIDE DIAMETER2.461 INCHES MINIMUM AND 2.465 INCHES MAXIMUM
BODY INSIDE DIAMETER2.119 INCHES MINIMUM AND 2.127 INCHES MAXIMUM
SEATING SURFACE SHAPE FLAT
SEAL ACCOMMODATION TYPE GROOVED