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National Stock Number:
4820-00-477-7337
Federal Supply Class:
4820
National Item Identification Number:
004777337
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:
| 2620-922X1ASSYGSC | 96169 | ELECTRIC BOAT CORPORATION | | B10-2084P-02TS- | 57574 | VELAN VALVE CORP. | | CS4820-0015BBDTBRQD | 16236 | DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) | | B10-2084P-0TS | 57574 | VELAN VALVE CORP. | | 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 | | N11262ASSYGSC | 63686 | THE WALWORTH COMPANY | | SS845-1889550ASSYGSC | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | PRESSURE SEAL, RING TYPE | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION TYPE | BUTT WELD PIPE ALL ENDS | | CONNECTION STYLE | BEVELED (PIPE) ALL ENDS | | FEATURES PROVIDED | BONNET PACKING | | FLOW CONTROL DEVICE | DISK | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A105, GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | STEEL BODY | | MATERIAL | STEEL FLOW CONTROL DEVICE | | MATERIAL | STEEL SEAT | | MATERIAL | STEEL STEM | | MAXIMUM OPERATING TEMP | 775.0 FAHRENHEIT SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL | | NOMINAL PIPE SIZE ACCOMMODATED | 3.000 INCHES ALL ENDS | | NONDEFINITIVE SPEC/STD DATA | D COMPOSITION | | SPECIAL FEATURES | VALVE SIZE 3 IN. | | STYLE DESIGNATOR | STRAIGHT THRU | | VALVE OPERATION METHOD | MANUAL |
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