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National Stock Number:
4820-00-871-8423
Federal Supply Class:
4820
National Item Identification Number:
008718423
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:
| 3 1-2 870-18K | 91363 | NORRISEAL NORRIS VALUES DIV DBA DOVER CO | | 3 1/2 870-18A | 91363 | NORRISEAL NORRIS VALUES DIV DBA DOVER CO | | 52730A158 | 1NB39 | DOVER RESOURCES INC DIV NORRISEAL | | 52730A158 | 91363 | NORRISEAL NORRIS VALUES DIV DBA DOVER CO | | 730A158 | 91363 | NORRISEAL NORRIS VALUES DIV DBA DOVER CO | | 900-059 | 91363 | NORRISEAL NORRIS VALUES DIV DBA DOVER CO | | 900-059-3 3 1/2IN | 91363 | NORRISEAL NORRIS VALUES DIV DBA DOVER CO |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.500 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 4.627 INCHES NOMINAL | | MATERIAL | PLASTIC BODY | | MATERIAL | RUBBER SEAT | | OVERALL HEIGHT | 1.955 INCHES NOMINAL | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN | | SPECIAL FEATURES | TWO SHAFT HOLES FOR BUTTERFLY VALVE SHAFT |
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