NSN 4820-01-026-8162

Part Details | VALVE SEAT

4820-01-026-8162 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: 1660C80H01, 4820-01-026-8162, 01-026-8162, 4820010268162, 010268162

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48AUG 29, 197601-026-816222113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-01-026-8162
Part Number Cage Code Manufacturer
1660C80H0190099NORTHROP GRUMMAN SYSTEMS CORPORATIONDBA NORTHROP GRUMMAN MARINE SYSTEMS
Technical Data | NSN 4820-01-026-8162
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER2.245 INCHES MINIMUM AND 2.255 INCHES MAXIMUM
BODY OUTSIDE DIAMETER2.125 INCHES MINIMUM AND 2.126 INCHES MAXIMUM
BODY INSIDE DIAMETER1.000 INCHES MINIMUM AND 1.001 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.300 INCHES NOMINAL
UNDER FLANGE HEIGHT0.510 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT
SEAL ACCOMMODATION TYPE GROOVED