5330-00-053-2763 GASKET Index 4820-00-053-2765 SEAT,VALVE

National Stock Number:
4820-00-053-2764

Federal Supply Class:
4820

National Item Identification Number:
000532764

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:
212434010001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
BUWEPSDWG212434044114BAE SYSTEMS LAND & ARMAMENTS L.P.


Techincal Specification:
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624,COMP 8620 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.250 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPEFLAT
THREAD SERIES DESIGNATORUNF SINGLE THREADED PORTION
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232,TYPE M,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD CLASS3B SINGLE THREADED PORTION


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