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National Stock Number:
4820-00-030-1680
Federal Supply Class:
4820
National Item Identification Number:
000301680
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.
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Manufacturer Information:
| 510210 | 26101 | AAR ALLEN SERVICES, INC |
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Techincal Specification:
| HARDNESS RATING | 56.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL | STEEL COMP 440C OVERALL | | SEAL ACCOMMODATION TYPE | GROOVED | | SEATING SURFACE SHAPE | FLAT | | SURFACE TREATMENT | PASSIVATE OVERALL |
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