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National Stock Number:
4820-01-614-3273
Federal Supply Class:
4820
National Item Identification Number:
016143273
Description:
VALVE,STOP-CHECK
Detail:
A VALVE WITH A BOLT OR STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, THE VALVE DISK IS LOCATED AND LOCKED AGAINST THE SEAT PERMITTING NO FLUID FLOW THROUGH THE VALVE. IN THE SECOND POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. SEE ALSO VALVE (1), LIFT-CHECK AND VALVE (1), STOP-LIFT-CHECK.
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Manufacturer Information:
| M2056-1 | 0ASY6 | DERBYSHIRE MARINE PRODUCTS, LLC | | M4258-2770 | 0ASY6 | DERBYSHIRE MARINE PRODUCTS, LLC | | M4258-2770 P/N M2056-1 | 0ASY6 | DERBYSHIRE MARINE PRODUCTS, LLC |
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Techincal Specification:
| CONNECTION TYPE | UNTHREADED EXTERNAL PIPE ALL ENDS | | CONNECTION STYLE | SOCKET (PIPE) ALL ENDS | | MATERIAL | COPPER ALLOY 958 BODY | | MATERIAL | NICKEL ALLOY 400 SEAT | | MATERIAL | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE FLOW CONTROL DEVICE | | MATERIAL | STEEL COMP 316 STEM | | PROPRIETARY CHARACTERISTICS | PACS | | MAXIMUM OPERATING PRESSURE | 6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES ALL ENDS | | VALVE OPERATION METHOD | MANUAL | | STYLE DESIGNATOR | STRAIGHT THRU |
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