National Item Identification Number
01-120-7028
011207028
4820-01-120-7028
4820-01-120-7028
National Stock Number
Item Name
VALVE,STOP-CHECK
Federal Supply Class
4820
Description
A valve with a bolt or stem that may be mechanically actuated to two 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. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also VALVE (1), LIFT-CHECK and VALVE (1), STOP-LIFT-CHECK.
Commercial and Government Entity Code (Supplier Data)
03950
NAVAL INVENTORY CONTROL POINT
MECHANICSBURG
5450 CARLISLE PIKE
2020
MECHANICSBURG
PA
17055
717-605-3500
Reference Numbers (Part Numbers)
803-2177525-C841
803-2177525-C841L1
Required Categories
STYLE DESIGNATOR
MAXIMUM OPERATING PRESSURE
CONNECTION TYPE
NOMINAL PIPE SIZE
Required Description
A1 ANGLE
900.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
UNTHREADED INTERNAL PIPE