National Item Identification Number
00-052-5059
000525059
4820-00-052-5059
4820-00-052-5059
National Stock Number
Item Name
VALVE,LIFT-CHECK
Federal Supply Class
4820
Description
A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first 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 second 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, STOP-CHECK and VALVE, STOP-LIFT-CHECK.
Commercial and Government Entity Code (Supplier Data)
53711
Reference Numbers (Part Numbers)
820-2178632AND820-2178731
820-2179102-1
Required Categories
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
CRITICALITY CODE JUSTIFICATION
Required Description
AS DIFFERENTIATED BY MATERIAL IN ACCORDANCE WITH ACTIVITY HXQUALITY CONTROL,MANU