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National Stock Number:
4820-01-625-1640
Federal Supply Class:
4820
National Item Identification Number:
016251640
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:
| 7840-108PC04A | 57574 | VELAN VALVE CORP. | | 7913-215-062 | 57574 | VELAN VALVE CORP. |
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Techincal Specification:
| DISK STYLE | FLATTED | | LARGEST OUTSIDE DIAMETER | 1.178 INCHES MINIMUM AND 1.188 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A479 TYPE 316 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 316 | | OVERALL LENGTH | 14.875 INCHES MINIMUM AND 15.125 INCHES MAXIMUM | | STEM ACTUATING END TYPE | ROUNDED | | VALVE SIZE FOR WHICH DESIGNED | 2.500 INCHES |
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