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National Stock Number:
4820-00-776-7989
Federal Supply Class:
4820
National Item Identification Number:
007767989
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:
| 2520007767989 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 6760337 | 73342 | ALLISON TRANSMISSION INC | | 7767989 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.125 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 1.625 INCHES NOMINAL | | FLANGE DIAMETER | 2.000 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 1117 OVERALL | | NOMINAL THREAD SIZE | 1.625 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 30.000 NOMINAL | | STYLE DESIGNATOR | PLAIN FLANGED | | THREAD LENGTH | 0.500 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.609 INCHES NOMINAL |
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