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National Stock Number:
4820-00-419-9986
Federal Supply Class:
4820
National Item Identification Number:
004199986
Description:
VALVE,CHECK
Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
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Manufacturer Information:
| 803-2177525-M553 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CONNECTION STYLE | BEVELED (PIPE) FIRST END | | CONNECTION TYPE | BUTT WELD PIPE FIRST END | | CRITICALITY CODE JUSTIFICATION | ZZZY | | DISK LOADING METHOD | WEIGHT | | FLOW CONTROL DEVICE | DISK | | MATERIAL | CHROMIUM ALLOY AND NICKEL ALLOY FLOW CONTROL DEVICE | | MATERIAL | COBALT ALLOY SEAT | | MATERIAL | NICKEL ALLOY 400 BODY | | MOUNTING POSITION | HORIZONTAL | | NOMINAL PIPE SIZE ACCOMMODATED | 1.000 INCHES FIRST END | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | RENEWABLE SEAT RING TYPE | WELDED | | STYLE DESIGNATOR | STRAIGHT THRU | | VALVE OPERATION METHOD | AUTOMATIC |
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