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National Stock Number:
4820-01-297-3466
Federal Supply Class:
4820
National Item Identification Number:
012973466
Description:
VALVE,CHECK
Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
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Manufacturer Information:
| 2640-258 ASSY RA | 96169 | ELECTRIC BOAT CORPORATION | | 845-2007681 ASSY RA | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | NICKEL ALLOY BODY | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE SIZE | 3.000 INCHES | | FACE TO FACE DISTANCE | 13.500 INCHES | | FLOW CONTROL DEVICE | DISK | | MAXIMUM OPERATING PRESSURE | 650.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | FLANGE ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | NOMINAL OUTSIDE DIAMETER | 7.062 INCHES ALL ENDS | | NOMINAL THICKNESS | 1.375 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 8 ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.688 INCHES ALL ENDS | | BOLT CIRCLE NOMINAL DIAMETER | 5.922 INCHES ALL ENDS | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL |
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