National Item Identification Number
01-471-3239
014713239
4820-01-471-3239
4820-01-471-3239
National Stock Number
Item Name
VALVE,STOP-LIFT-CHECK
Federal Supply Class
4820
Description
A valve with a stem that may be mechanically actuated to three different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. In the third position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also VALVE, LIFT-CHECK and VALVE, STOP-CHECK.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
803-2177934-B746
Required Categories
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
CRITICALITY CODE JUSTIFICATION
Required Description
MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACT