National Item Identification Number
01-078-4789
010784789
4820-01-078-4789
4820-01-078-4789
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)
80063
80063
98021
HALKEY-ROBERTS CORPORATION
11600 9TH ST N
SAINT PETERSBURG
FL
33716
727-577-1300
Reference Numbers (Part Numbers)
SM-C-774135
SM-C-774135-2
750-RP-7.5
Required Categories
BODY MATERIAL
FLOW CONTROL DEVICE
END CONNECTION QUANTITY
FIRST END CONNECTIO
Required Description
ALUMINUM ALLOY, QQ-A-225/3, ALLOY 2011, T3
POPPET
1
THREADED EXTERNAL TUBE
J