National Item Identification Number
01-251-5629
012515629
4820-01-251-5629
4820-01-251-5629
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)
Reference Numbers (Part Numbers)
803-4384536-55A1
Required Categories
MATERIAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
CRITICALITY CODE JUS
Required Description
COPPER ALLOY BODY
MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTE