NSN 4820-01-121-0495

Part Details | VALVE SEAT

4820-01-121-0495 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: NB0102HSC0000SL, NB-0102-HSC-0000-SL, NB0102H0200 PART 18, NB-0102-H-0200 PART 18, 4820-01-121-0495, 01-121-0495, 4820011210495, 011210495

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48OCT 29, 198101-121-049522113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-01-121-0495
Part Number Cage Code Manufacturer
NB-0102-HSC-0000-SL30263PIMA VALVE, INC.
NB-0102-H-0200 PART 1830263PIMA VALVE, INC.
Technical Data | NSN 4820-01-121-0495
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER2.500 INCHES NOMINAL
BODY OUTSIDE DIAMETER2.250 INCHES NOMINAL
BODY INSIDE DIAMETER1.875 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.188 INCHES NOMINAL
UNDER FLANGE HEIGHT0.375 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT