A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6220-00-220-5617
NSN 6240-01-150-2712
NSN 5950-01-158-7851
NSN 5895-01-425-2192
NSN 5910-00-107-7418
NSN 6620-01-212-8089
NSN 6650-00-569-1762
NSN 6650-01-367-8917
NSN 5855-00-995-2098
NSN 6150-01-083-5476
NSN 6135-00-557-8874
NSN 7035-01-225-8369