National Item Identification Number
01-289-1747
012891747
4730-01-289-1747
4730012891747
National Stock Number
Item Name
SLEEVE,FLARED,TUBE FITTING
Federal Supply Class
4730
Description
A flanged cylindrical metallic item designed to be used on tubing to back up the flared end and to provide a bearing surface for the coupling nut, thereby reducing wear on the tubing flare. The inside diameter of the flanged end is countersunk to form a seat for the flare when assembled to a mating fitting.
Commercial and Government Entity Code (Supplier Data)
53711
Reference Numbers (Part Numbers)
5525589
Required Categories
MATERIAL
SURFACE TREATMENT
METALLIC HARDNESS RATING
CASEHARDENING INDICATOR;
Required Description
STEEL, FED STD 66, COMP 4130
OXIDE
28.0 MINIMUM ROCKWELL C AND
32.0 MAXIMUM R