1020-00-905-0082 VALVE,FLANGE,PRESSU Index 1020-00-905-0084 PISTON ASSEMBLY

National Stock Number:
4810-00-905-0083

Federal Supply Class:
4810

National Item Identification Number:
009050083

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:
731110-410001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
HARDNESS RATING240.0 BRINELL STANDARD MINIMUM AND 285.0 BRINELL STANDARD MAXIMUM BODY
HARDNESS RATING240.0 BRINELL STANDARD MINIMUM AND 285.0 BRINELL STANDARD MAXIMUM FACE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1040 OVERALL
NOMINAL THREAD SIZE0.688 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPEFLAT
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.844 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH18 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION


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