Used on ohio class ssbn (trident). 2.500" inside diameter 1/4 inch cross sectional height 3 ring packing set 3-ring v-ring packing set for use with water, hydraulic oil, and air with an air temperature of 250 degrees f
Used on 2320015315250. 0.419 mils center hole diameter ring, o material is fluoroelastomer; minimal tfe coating thicknes s can not be readily scraped off with finger nail; dry film lubricant, ems 800-5002, type vii