National Item Identification Number
00-639-9121
006399121
4820-00-639-9121
4820-00-639-9121
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)
35795
LESLIE CONTROLS INC
DBA CPC CRYOLAB PRODUCTS
12501 TELECOM DR
TAMPA
FL
33637
813-978-1000
71905
DERBYSHIRE MACHINE & TOOL CO. INC.
DBA DERBYSHIRE MACHINE AND TOOL CO.
5100 BELFIELD AVE.
PHILADELPHIA
PA
19144
215-844-3200
Reference Numbers (Part Numbers)
RS11-2 150-350FLGD
71-S-103
Required Categories
MATERIAL
STYLE DESIGNATOR
VALVE SIZE
FACE TO FACE DISTANCE
FLOW CONTROL DEVI
Required Description
STEEL BODY
COBALT ALLOY FLOW CONTROL DEVICE
COBALT ALLOY SEAT
E1A STRAIGHT TH