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National Stock Number:
4820-00-474-2021
Federal Supply Class:
4820
National Item Identification Number:
004742021
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:
| 96014 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM BODY | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.437 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION |
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