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National Stock Number:
4820-01-139-5502
Federal Supply Class:
4820
National Item Identification Number:
011395502
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:
| 10885754 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 4820011395502 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 4820011395502 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN | | OVERALL HEIGHT | 0.250 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.4702 INCHES MINIMUM AND | | 0.4712 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 0.2167 INCHES MINIMUM AND | | 0.2207 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4140 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 50.0 ROCKWELL C MINIMUM AND | | 54.0 ROCKWELL C MAXIMUM OVERALL |
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