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 6130-01-058-0562
NSN 6150-01-177-6748
NSN 5999-00-332-2931
NSN 6150-00-933-2281
NSN 4140-00-274-9638
NSN 7035-01-426-4133
NSN 6650-01-004-1625
NSN 5935-00-737-8563
NSN 5910-01-510-8743
NSN 5855-01-614-6491
NSN 6130-00-279-5058
NSN 6150-01-348-9684