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National Stock Number:
4820-00-147-6517
Federal Supply Class:
4820
National Item Identification Number:
001476517
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:
| 55-0400 | 96736 | AEROCONTROLEX GROUP, INC. | | 6-52934-9 | 0JRC1 | NORTHROP GRUMMAN TECHNICAL SERVICES, INC. | | 6-52934-9 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 6-52934-9 | 79U29 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY OVERALL | | SURFACE TREATMENT | ANODIZE | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | DISK | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | UNTHREADED INTERNAL TUBE 1ST END | | FLANGE 2ND END | | CONNECTION STYLE | SOCKET (TUBE) 1ST END | | FLANGE SHAPE | RECTANGULAR WITH HOLES 2ND END | | NOMINAL THICKNESS | 0.281 INCHES 2ND END | | NOMINAL LENGTH | 2.375 INCHES 2ND END | | NOMINAL WIDTH | 2.375 INCHES 2ND END | | BOLT HOLE QUANTITY | 4 2ND END | | BOLT HOLE NOMINAL DIAMETER | 0.250 INCHES 2ND END | | CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 1.812 INCHES 2ND END | | CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | 1.812 INCHES 2ND END | | FLANGE FACE DESIGN | PLAIN 2ND END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.500 INCHES 1ST END | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | RENEWABLE SEAT RING TYPE | BONDED | | BONNET TYPE | PACKING RETAINING | | DISK LOADING METHOD | SPRING |
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