NSN 4820-01-274-8422

Part Details | VALVE SEAT

4820-01-274-8422 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: 438770058, 43877-00-58, 43877, 18500N PIECE 4A GROUP 1, 18500N, N438770058, N43877, 4820-01-274-8422, 01-274-8422, 4820012748422, 012748422

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAR 13, 198801-274-842222113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-274-8422
Part Number Cage Code Manufacturer
43877-00-5835795LESLIE CONTROLS, INC.
4387735795LESLIE CONTROLS, INC.
18500N PIECE 4A GROUP 135795LESLIE CONTROLS, INC.
18500N35795LESLIE CONTROLS, INC.
N43877005835795LESLIE CONTROLS, INC.
N4387735795LESLIE CONTROLS, INC.
Technical Data | NSN 4820-01-274-8422
Characteristic Specifications
STYLE DESIGNATOR4 THREADED FLANGED
FLANGE DIAMETER2.250 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.624 INCHES MINIMUM AND 1.874 INCHES MAXIMUM
BODY INSIDE DIAMETER1.187 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.438 INCHES NOMINAL
UNDER FLANGE HEIGHT0.500 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT