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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:
| BOLT HOLE NOMINAL DIAMETER | 0.250 INCHES SECOND END | | BOLT HOLE QUANTITY | 4 SECOND END | | BONNET TYPE | PACKING RETAINING | | CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 1.812 INCHES SECOND END | | CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | 1.812 INCHES SECOND END | | CONNECTION TYPE | UNTHREADED INTERNAL TUBE FIRST END | | CONNECTION STYLE | SOCKET (TUBE) FIRST END | | CONNECTION TYPE | FLANGE SECOND END | | DISK LOADING METHOD | SPRING | | FLANGE FACE DESIGN | PLAIN SECOND END | | FLANGE SHAPE | RECTANGULAR WITH HOLES SECOND END | | FLOW CONTROL DEVICE | DISK | | MATERIAL | ALUMINUM ALLOY OVERALL | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.500 INCHES FIRST END | | NOMINAL LENGTH | 2.375 INCHES SECOND END | | NOMINAL THICKNESS | 0.281 INCHES SECOND END | | NOMINAL WIDTH | 2.375 INCHES SECOND END | | RENEWABLE SEAT RING TYPE | BONDED | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT | ANODIZE | | VALVE OPERATION METHOD | AUTOMATIC |
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