National Item Identification Number
01-457-8158
014578158
4820-01-457-8158
4820-01-457-8158
National Stock Number
Item Name
VALVE,PRESSURE EQUALIZING,GASEOUS PRODUCTS
Federal Supply Class
4820
Description
A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude VALVE, VACUUM BREAKING.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
02 S NR65 L15-120BP 010
Required Categories
BODY MATERIAL
SPECIAL FEATURES
Required Description
STEEL, CORROSION RESISTING
W/NR65 DIAPHRAGM PILOT
OP BY 80 BP PILOT CONTROL VA