4820-01-214-3810 SEAT,VALVE Index 4820-01-214-3812 SEAT,VALVE

National Stock Number:
4820-01-214-3811

Federal Supply Class:
4820

National Item Identification Number:
012143811

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:
17817091643SERVICE BRASS AND ALUMINUM FOUNDRY CO, INC.
178170 PC1676364MILWAUKEE VALVE CO, INC
178170 PIEC76364MILWAUKEE VALVE CO, INC
178170 PIECE 1691643SERVICE BRASS AND ALUMINUM FOUNDRY CO, INC.
178170-1676364MILWAUKEE VALVE CO, INC
178170-1691643SERVICE BRASS AND ALUMINUM FOUNDRY CO, INC.


Techincal Specification:
BODY INSIDE DIAMETER3.862 INCHES NOMINAL
OVERALL HEIGHT0.630 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
NOMINAL THREAD SIZE4.250 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN THREADED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.430 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION


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