4810-01-066-6128 RING,PISTON Index 9905-01-066-6130 PLATE,DESIGNATION

National Stock Number:
4820-01-066-6129

Federal Supply Class:
4820

National Item Identification Number:
010666129

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:
51160-D76364MILWAUKEE VALVE CO, INC
5160-D76364MILWAUKEE VALVE CO, INC
5160-D1-38076364MILWAUKEE VALVE CO, INC
5160-DP-38076364MILWAUKEE VALVE CO, INC


Techincal Specification:
BODY INSIDE DIAMETER0.438 INCHES NOMINAL
FLANGE DIAMETER0.935 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.108 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CLASS 3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD SIZE0.763 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG15.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
UNDER FLANGE HEIGHT0.304 INCHES NOMINAL
STYLE DESIGNATORTHREADED FLANGED
THREAD LENGTH0.250 INCHES NOMINAL SINGLE THREADED PORTION
THREAD CLASS2A SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
THREAD QUANTITY PER INCH24 SINGLE THREADED PORTION


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