National Item Identification Number
01-239-3821
012393821
4820-01-239-3821
4820-01-239-3821
National Stock Number
Item Name
GUIDE,VALVE STEM
Federal Supply Class
4820
Description
A replaceable cylindrical item designed to provide wear surface and maintain alignment of a reciprocating valve stem and the like, it may have a flange(s) and/or grooves.
Commercial and Government Entity Code (Supplier Data)
53711
53711
Reference Numbers (Part Numbers)
820-2179255-2
820-4385098-17
820-5348584-17
820-5348629-17
Required Categories
MATERIAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
CRITICALITY CODE JUS
Required Description
COBALT ALLOY
MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACT