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National Stock Number:
4820-00-914-7055
Federal Supply Class:
4820
National Item Identification Number:
009147055
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:
| 475C103WPX | 91511 | AUTO-VALVE, INC | | 670745-103 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY BODY | | ALUMINUM ALLOY SEAT | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON 1ST RESPONSE | | AIR 2ND RESPONSE | | MAXIMUM OPERATING PRESSURE | 35.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 160.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | CONNECTION STYLE | FLARED (TUBE) ALL ENDS | | SEAT ANGLE | 37.0 DEGREES ALL ENDS | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | UNC 2ND END | | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END | | 0.438 INCHES 2ND END | | THREAD QUANTITY PER INCH | 20 ALL ENDS | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | BONNET TYPE | PACKING RETAINING | | DISK LOADING METHOD | SPRING | | SPECIAL FEATURES | BULKHEAD THREADS ON INLET END | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 91511 | | DESIGN CONTROL REFERENCE | 475C103WPX |
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