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National Stock Number:
4820-00-431-3442
Federal Supply Class:
4820
National Item Identification Number:
004313442
Description:
BALL,CHECK
Detail:
A SPHERICAL SHAPED DEVICE THAT MAY BE OF SOLID OR HOLLOW CONSTRUCTION. IT IS DESIGNED TO SEAT IN AN OPENING THEREBY PREVENTING THE PASSAGE OF FLUID. IT MAY BE USED WITH A SPRING ENABLING THE BALL TO BECOME UNSEATED AT A PREDETERMINED PRESSURE AS EXERTED BY THE FLUID FLOW AND TO BECOME RESEATED IN THE ABSENCE OF FLUID PRESSURE. FOR VALVE BALLS THAT INCLUDE PORTS SEE BALL, VALVE, PORTED.
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Manufacturer Information:
| 11578379 | 19206 | ARMY, UNITED STATES DEPARTMENT OF THE BUSINESS DEVELOPMENT DBA WATERVLIET ARSENAL |
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Techincal Specification:
| SPECIAL FEATURES | ROCKWELL C41-C46 HARDNESS;VALVE DESIGN CONTROL ACTIVITY IS 19206:SPHERICAL DIAMETER IS 0.439 INCHES NOMINAL |
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