Used on truck; family of medium tacticle vehicle (fmtv). 2a all ends thread class special o-ring material, per mil-p-5510c, do not dup to any other nsn unf all ends thread series
Used on missile; minuteman lgm-30. lends not identical, 1st end flanged, external, o.d. 2.750in nom, flange thickness 0.025in nom, 0.250in x 0.125in brass pull strip first end; second end plain open end; 60 x 50 mesh brass screen, seams fully welded cylindrical