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 6240-01-557-1177
NSN 6150-01-374-1204
NSN 6105-01-542-4975
NSN 6220-01-384-0399
NSN 6105-00-169-8773
NSN 5960-01-609-6565
NSN 5965-01-480-3096
NSN 6240-00-109-5914
NSN 5905-00-491-6577
NSN 6685-01-559-3153
NSN 6110-00-449-6269
NSN 5985-01-360-4171