National Item Identification Number
00-287-5844
002875844
4820-00-287-5844
4820-00-287-5844
National Stock Number
Item Name
VALVE,WEIGHTED CONTROL,PISTON
Federal Supply Class
4820
Description
A valve consisting of a ported, dead weighted, hollow piston which moves vertically across the inlet passage within the valve body. Changes in the pressure controlled position of the piston vary the effective area of the ports exposed to the inlet flow in such a manner as to maintain a constant outlet line pressure. It has no seats or disk. For dead weight loaded pressure regulating valve of seat and disk construction, see also VALVE, REGULATING, FLUID PRESSURE.
Commercial and Government Entity Code (Supplier Data)
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)
5-S-1520ALT3
5-S-1520ALT3
Required Categories
MATERIAL
STYLE DESIGNATOR
FIRST CONNECTION FACE TO CENTERLINE DISTANCE
SECOND
Required Description
COPPER ALLOY OVERALL
A7A ANGLE FLANGED ENDS
8.500 INCHES
7.000 INCHES
5.000