National Item Identification Number
00-164-3917
001643917
4820-00-164-3917
4820-00-164-3917
National Stock Number
Item Name
VALVE,SEATLESS
Federal Supply Class
4820
Description
A valve that controls flow by a cylindrical piston sliding vertically through packing rings separated by a metal cage having ports through which flow may proceed when the valve is open. Rotation of the threaded stem is used to regulate the position of the piston. See also VALVE, PLUG and VALVE, WEIGHTED CONTROL, PISTON.
Commercial and Government Entity Code (Supplier Data)
24821
ROSEMOUNT ANALYTICAL INC
DIV PROCESS ANALYTIC DIVISION
6565P DAVIS INDUSTRIAL PARKWAY
SOLON
OH
44139
800-433-6076
Reference Numbers (Part Numbers)
539304
Required Categories
STYLE DESIGNATOR
VALVE SIZE
FLOW CONTROL DEVICE
VALVE OPERATION METHOD
STEM
Required Description
A1A STRAIGHT THRU FLANGED ENDS
2.000 INCHES
PISTON
AUTOMATIC
RISING
PACKING