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National Stock Number:
4820-01-057-3218
Federal Supply Class:
4820
National Item Identification Number:
010573218
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:
| 2620-927X11-ASS | 96169 | ELECTRIC BOAT CORPORATION | | 2620-927X11-ASSY6C-1IN | 96169 | ELECTRIC BOAT CORPORATION | | 2621-927-11ASSY1C | 11836 | NATIONAL OILWELL | | SS845-2181483AS | 53711 | NAVAL SEA SYSTEMS COMMAND | | SS845-2181483ASSY6C-1IN | 53711 | NAVAL SEA SYSTEMS COMMAND | | 2621-927-11ASSY1C | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 3.500 INCHES ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 4 ALL ENDS | | CONNECTION TYPE | FLANGE ALL ENDS | | DISK LOADING METHOD | WEIGHT | | FACE TO FACE DISTANCE | 8.000 INCHES | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A351, GRADE CF8M ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL OUTSIDE DIAMETER | 4.875 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.688 INCHES ALL ENDS | | OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | VALVE SIZE | 1.000 INCHES | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS |
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