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National Stock Number:
4820-00-390-3763
Federal Supply Class:
4820
National Item Identification Number:
003903763
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:
| 640-54PC76 | 72957 | ELLIOTT COMPANY | | H4420-390-3762PC2 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | NH30043PC76 | 72957 | ELLIOTT COMPANY | | NH30045PC76 | 72957 | ELLIOTT COMPANY | | NH30055PC79 | 72957 | ELLIOTT COMPANY | | NH30057-79 | 72957 | ELLIOTT COMPANY | | NH30057PC79 | 72957 | ELLIOTT COMPANY | | NH30067PC79 | 72957 | ELLIOTT COMPANY | | NH30069PC79 | 72957 | ELLIOTT COMPANY | | NH30079PC79 | 72957 | ELLIOTT COMPANY | | NH30081PC79 | 72957 | ELLIOTT COMPANY | | W98070-19 | 72957 | ELLIOTT COMPANY | | W98070PC19 | 72957 | ELLIOTT COMPANY |
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Techincal Specification:
| FLANGE DIAMETER | 2.750 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.625 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 2.563 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY BODY | | HARDNESS RATING | 125.0 BRINELL STANDARD MINIMUM AND | | 150.0 BRINELL STANDARD MAXIMUM BODY | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 30.000 NOMINAL |
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