26P6210 up for sale is a lot of 5 steel black oxide coated military grade split spring pins , covered under MS16562-142 and also military NSN 5315-00-058-6115 , these measure about 0.197 inch OD x 3/4 long and come in a lot of 5 as shown , removed from a envelope with military tag on the front as shown in the photos , used on many military equipment and aircraft , also see our photos for a view of the public owned specifications related to these pins , and see store we find and add new items each week like this to our store , thank you rwk