National Item Identification Number
01-251-7440
012517440
4820-01-251-7440
4820-01-251-7440
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)
61661
61661
61661
Reference Numbers (Part Numbers)
FIG NO. 7415WFS-3
MC-045-D
MC-045-D 5.00IN
MIL-V-18436E,TY
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
STYLE DESIGNATOR
FLOW CONTROL D
Required Description
STEEL UNS K03504 OVERALL
ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
A