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 5999-00-294-9241
NSN 5930-00-097-9528
NSN 6145-01-025-1372
NSN 6685-00-064-5155
NSN 6610-01-437-0961
NSN 4140-00-283-6843
NSN 5965-01-423-5159
NSN 6650-00-266-6808
NSN 6105-00-273-1106
NSN 5855-00-308-0474
NSN 6130-00-864-5210
NSN 6145-01-444-1668