NSN 4820-01-135-1337

Part Details | VALVE SEAT

4820-01-135-1337 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: 2640671X2 PIECE 6, 2640-671X2 PIECE 6, 2640671X2, 2640-671X2, 8452180979 PIECE 6, 845-2180979 PIECE 6, 8452180979 PIE, 845-2180979 PIE, 8452180979, 845-2180979, 4820-01-135-1337, 01-135-1337, 4820011351337, 011351337

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUL 18, 198201-135-133722113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-135-1337
Part Number Cage Code Manufacturer
2640-671X2 PIECE 696169ELECTRIC BOAT CORPORATION
2640-671X296169ELECTRIC BOAT CORPORATION
845-2180979 PIECE 680064NAVAL SHIP SYSTEMS COMMAND
845-2180979 PIE80064NAVAL SHIP SYSTEMS COMMAND
845-218097980064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4820-01-135-1337
Characteristic Specifications
STYLE DESIGNATOR1 THREADED FLANGED
OVERALL HEIGHT0.625 INCHES NOMINAL
BODY OUTSIDE DIAMETER3.622 INCHES NOMINAL
BODY INSIDE DIAMETER2.125 INCHES NOMINAL
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS0.625 INCHES NOMINAL
SEAL ACCOMMODATION TYPE GROOVED