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National Stock Number:
4820-00-138-1882
Federal Supply Class:
4820
National Item Identification Number:
001381882
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:
| 3INFIG152F-3/7795REV0/882039881 | 79342 | WILLIAM E WILLIAMS VALVE CORP | | 5000S4824-13855 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | S-1221-0 3IN | 30263 | PIMA VALVE, LLC | | S-1221-0-3IN N0 | 30263 | PIMA VALVE, LLC | | MIL-DTL-22052 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MILV22052 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | S-1221-0-3IN NO REVISON882039521 | 11859 | HUNT VALVE COMPANY, INC. | | S-1221-0-3IN NO REVISON882039521 | 30263 | PIMA VALVE, LLC | | S-1221-0-3IN N0 REVIS0N882039521 | 30263 | PIMA VALVE, LLC |
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Techincal Specification:
| MATERIAL | STEEL BODY | | COBALT ALLOY FLOW CONTROL DEVICE | | COBALT ALLOY SEAT | | STEEL CORROSION RESISTING STEM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A105,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE SIZE | 3.000 INCHES | | FACE TO FACE DISTANCE | 9.500 INCHES | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 500.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | FLANGE ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | NOMINAL OUTSIDE DIAMETER | 7.500 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.875 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 4 ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES ALL ENDS | | BOLT CIRCLE NOMINAL DIAMETER | 6.000 INCHES ALL ENDS | | FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS | | RAISED FACE NOMINAL HEIGHT | 0.062 INCHES ALL ENDS | | RAISED FACE NOMINAL DIAMETER | 5.000 INCHES ALL ENDS | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | BONNET TYPE | OUTSIDE SCREW-YOKE | | BONNET ATTACHMENT METHOD | BOLTED | | FEATURES PROVIDED | BONNET PACKING | | TEST DATA DOCUMENT | 81349-MIL-S-901 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81349 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-DTL-22052 |
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