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National Stock Number:
4820-01-157-5591
Federal Supply Class:
4820
National Item Identification Number:
011575591
Description:
STEM,NEEDLE VALVE
Detail:
A METALLIC, NEEDLE SHAPED ITEM HAVING A ONE-PIECE STEM THREADED FOR SECURING TO, OR POSITIONING INTO, A MATING PART. THE POINT MAY BE OF VARIOUS ANGLES OR SHAPES, SUCH AS CONICAL OR TAPERED, TO CORRESPOND WITH THE MATING SEAT. THE ITEM IS DESIGNED FOR THE FINE CONTROL FLOW OR RESTRICTION OF LIQUIDS OR GASES IN A GIVEN SYSTEM. IT MAY BE PROVIDED WITH A KNURLED HEAD FOR ROTATION BY THUMBS AND FINGERS, OR BE DRIVEN WITH EITHER A WRENCH, HANDLE, OR INSERTED DRIVER. EXCLUDES VALVE, FUEL-AIR MIXTURE CONTROL, AUTOMATIC.
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Manufacturer Information:
| 803-4384536-1XXX-45 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| DISK STYLE | CONICAL, TAPERED POINT | | LARGEST OUTSIDE DIAMETER | 0.500 INCHES NOMINAL | | OVERALL LENGTH | 4.234 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY | | STEM ACTUATING END TYPE | THREADED EXTERNALLY | | VALVE SIZE FOR WHICH DESIGNED | 0.250 INCHES |
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