4820-01-124-5319, SEAT,VALVE

National Stock Number:
4820-01-124-5319

Federal Supply Class:
4820

National Item Identification Number:
011245319

Description:
SEAT,VALVE

Detail:
A replaceable item designed to provide a circular 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.

Manufacturer Information:

D11784	14959	CRANE CO DIV VALVE DIV
K-9505-B	14959	CRANE CO DIV VALVE DIV
K-9505-B PIECE 13 3IN	14959	CRANE CO DIV VALVE DIV

Techincal Specification:

BODY STEPPED INSIDE DIAMETER	2.500 INCHES NOMINAL FIRST STEP
BODY STEPPED INSIDE DIAMETER	3.000 INCHES NOMINAL SECOND STEP
FLANGE DIAMETER	3.913 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT	0.490 INCHES MINIMUM AND 0.708 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	STM A351,GR.CF-8M ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL	STEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE	3.500 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPE	RADIAL
STYLE DESIGNATOR	THREADED FLANGED
THREAD LENGTH	0.650 INCHES NOMINAL SINGLE THREADED PORTION
UNDER FLANGE HEIGHT	0.843 INCHES NOMINAL

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