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National Stock Number:
4820-01-478-7621
Federal Supply Class:
4820
National Item Identification Number:
014787621
Description:
VALVE,GLOBE-CHECK
Detail:
A VALVE WITH ONE INLET AND ONE OUTLET CONNECTION DESIGNED FOR PRECISE, ADJUSTABLE CONTROL OF THE FLOW IN ONE DIRECTION AND FREE FLOW IN THE OPPOSITE DIRECTION. PRECISE CONTROL IS PROVIDED BY A THREADED NEEDLE OR STEM WHICH IS LIFTED PERPENDICULARLY OFF THE CENTER AXIS OF ITS SEAT. FREE FLOW IS PROVIDED BY AN INTERNAL BY-PASS CHECK VALVE WHICH OPERATES INDEPENDENTLY OF THE NEEDLE OR STEM.
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Manufacturer Information:
| 803-6397434 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-6397434-311111 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | THREADED | | BONNET TYPE | INSIDE SCREW | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | CONNECTION STYLE | SOCKET (PIPE) ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL | NICKEL ALLOY BODY | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES ALL ENDS | | SPECIAL FEATURES | PACKING (O-RING) MATERIAL MIL-R-83248, CLASS 1; END PREPARATION SOCKET WELD; DISC SEAL MATERIAL MIL-P-46036, TYPE 1 | | STYLE DESIGNATOR | STRAIGHT THRU | | VALVE OPERATION METHOD | MANUAL |
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