NSN 4820-01-122-2117

Part Details | VALVE SEAT

4820-01-122-2117 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: MC15093, 4820-01-122-2117, 01-122-2117, 4820011222117, 011222117

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48NOV 18, 198101-122-211722113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-122-2117
Part Number Cage Code Manufacturer
MC1509376050EATON AEROSPACE LLCM C AEROSPACE DIV
Technical Data | NSN 4820-01-122-2117
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER0.294 INCHES MINIMUM AND 0.295 INCHES MAXIMUM
BODY INSIDE DIAMETER0.275 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.045 INCHES MINIMUM AND 0.065 INCHES MAXIMUM
UNDER FLANGE HEIGHT0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
SEATING SURFACE SHAPE FLAT