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National Stock Number:
4820-01-264-0899
Federal Supply Class:
4820
National Item Identification Number:
012640899
Description:
VALVE,STOP AND STOP CHECK
Detail:
A COMBINATION OF TWO VALVES, ONE A STOP VALVE, THE OTHER A STOP CHECK VALVE, EITHER IN THE SAME BODY, OR IN SEPARATE BODIES BOLTED TOGETHER, USED TO CONTROL THE ADMISSION OF FEED WATER TO A BOILER, TO PREVENT THE RETURN OF WATER OR STEAM FROM THE BOILER, AND TO PROVIDE A MEANS OF SHUTTING OFF THE FEED LINE BETWEEN THE STOP CHECK VALVE AND THE STEAM DRUM OR ECONOMIZER.
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Manufacturer Information:
| 803-4384536-11A1 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | GENERAL CHARACTERISTICS ITEM DESCRIPTION | NICKLE-COPPER ALLOY AND NICKLE-COPPER-SILICON ALLOY CASTING | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
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