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National Stock Number:
4820-01-554-1235
Federal Supply Class:
4820
National Item Identification Number:
015541235
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:
| 2177525 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177525-M7D5AF MOD | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 810-2177525M745M0D600PSI | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | NICKEL ALLOY 400 BODY | | STYLE DESIGNATOR | ANGLE FLANGED ENDS | | VALVE SIZE | 1.500 INCHES | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 4.750 INCHES | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 4.750 INCHES | | VALVE OPERATION METHOD | AUTOMATIC OR | | MANUAL | | CONNECTION TYPE | FLANGE ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | NOMINAL OUTSIDE DIAMETER | 6.125 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.875 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 4 ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.875 INCHES ALL ENDS | | BOLT CIRCLE NOMINAL DIAMETER | 4.500 INCHES ALL ENDS | | FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS | | RAISED FACE NOMINAL HEIGHT | 0.250 INCHES ALL ENDS | | RAISED FACE NOMINAL DIAMETER | 2.875 INCHES ALL ENDS | | SPECIAL FEATURES | VALVE IS COMPLETELY ASBESTOS FREE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | ANGLE STOP-CHECK WITH BACKSEAT |
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