National Item Identification Number
01-078-4788
010784788
4820-01-078-4788
4820-01-078-4788
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)
03956
NORTHROP GRUMMAN SYSTEMS CORPORATION
DBA SPERRY MARINE
1070 SEMINOLE TRL
CHARLOTTESVILLE
VA
22901
434-974-2366
Reference Numbers (Part Numbers)
1853332
Required Categories
BODY STYLE
BODY MATERIAL
FLOW CONTROL DEVICE
END CONNECTION QUANTITY
FIRST E
Required Description
D1 STRAIGHT THRU
STEEL
NEEDLE
2
THREADED EXTERNAL TUBE
J3 FLARED
0.500 INC
