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National Stock Number:
4820-01-031-3621
Federal Supply Class:
4820
National Item Identification Number:
010313621
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:
| A51P20339-27 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51P20339-27 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51P20339-27 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 4.275 INCHES THIRD END | | BOLT HOLE NOMINAL DIAMETER | 0.282 INCHES THIRD END | | BOLT HOLE QUANTITY | 6 THIRD END | | CONNECTION STYLE | GROOVED (TUBE) FIRST END | | CONNECTION STYLE | GROOVED (TUBE) SECOND END | | CONNECTION TYPE | FLANGE THIRD END | | CONNECTION TYPE | UNTHREADED EXTERNAL TUBE FIRST END | | CONNECTION TYPE | UNTHREADED EXTERNAL TUBE SECOND END | | DISK LOADING METHOD | SPRING | | FLANGE FACE DESIGN | PLAIN THIRD END | | FLANGE SHAPE | ROUND WITH HOLES THIRD END | | FLOW CONTROL DEVICE | DISK | | MATERIAL | ALUMINUM ALLOY OVERALL | | MOUNTING FACILITY | BRACKET(S) | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 3.500 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 3.500 INCHES SECOND END | | NOMINAL OUTSIDE DIAMETER | 5.280 INCHES THIRD END | | NOMINAL THICKNESS | 0.205 INCHES THIRD END | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | CROSS |
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