Description

This is a collection of Shaft Couplers from one of the space programs

There are 15 pieces in this collection all identical, use was undetermined

Technical Specs:

Weight 3 pounds 13.0 ounces   or1,728 grams

OD= 88.48mm

ID=70.13

Side with notch= 69.57

Length= 95.93

Thickness 9.17mm

Thickness Side with notch 10.02mm

Composition- steel

Plating some kind of heat induced yellow-rainbow colored

Threaded holes  4 on each end
4 around circumference near each end 8 total no threads  all approximately 1/8” dia