NSN 4820-01-021-4486

Part Details | VALVE SEAT

4820-01-021-4486 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: 56970602, 56-97-0602, 264140201PIEC, 2641-402-01PIEC, 264140201PC73, 2641-402-01PC73, EBCN56970602, EBCN56-97-0602, 4820-01-021-4486, 01-021-4486, 4820010214486, 010214486

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAY 17, 197601-021-448622113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-01-021-4486
Part Number Cage Code Manufacturer
56-97-060296169ELECTRIC BOAT CORPORATION
2641-402-01PIEC96169ELECTRIC BOAT CORPORATION
2641-402-01PC7396169ELECTRIC BOAT CORPORATION
EBCN56-97-060296169ELECTRIC BOAT CORPORATION
Technical Data | NSN 4820-01-021-4486
Characteristic Specifications
STYLE DESIGNATOR PLAIN
OVERALL HEIGHT0.258 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.062 INCHES NOMINAL
BODY INSIDE DIAMETER0.562 INCHES NOMINAL
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS0.281 INCHES NOMINAL
SEAL ACCOMMODATION TYPE BEADED