Needle Valve Stem

Item Name Code (INC) 28686

Valves, Nonpowered
Federal Supply Class: FSC 4820
NATO Supply Classification Class: NSC 4820
Valves
Federal Supply Group: FSG 48
NATO Supply Classification Group: NSG 48
Item Hits: 955 - Page 2 of 2
INC 28686 Needle Valve Stem
INC 28686 Needle Valve Stem

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.

Additional Information for Needle Valve Stem Additional Information for Needle Valve Stem

A needle valve stem is a component of a needle valve that controls the flow of fluid or gas through the valve. It is a long, slender rod that extends from the valve handle or actuator and connects to the valve disc or plug. When the valve stem is turned or rotated, it moves the disc or plug inside the valve body, either opening or closing the flow passage.

The needle valve stem is designed with a fine, pointed tip that fits into a corresponding seat or orifice in the valve body. This allows for precise control of the flow rate by adjusting the position of the disc or plug relative to the seat. The needle valve stem can be turned in small increments, allowing for fine-tuning of the flow rate.

Needle valves are commonly used in applications where precise control of flow is required, such as in laboratory equipment, medical devices, and industrial processes. The design of the needle valve stem allows for accurate and gradual adjustment of the flow, making it suitable for applications that require precise regulation of fluid or gas flow.

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NATO Stock Numbers named Needle Valve Stem NATO Stock Numbers with Item Name 28686 Needle Valve Stem Page 2 of 2