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 5910-01-486-3391
NSN 5855-01-040-9233
NSN 5975-01-464-9164
NSN 5915-00-887-6119
NSN 6145-01-130-5416
NSN 6685-00-491-1423
NSN 6130-01-448-7816
NSN 5855-01-533-6424
NSN 6130-01-428-1824
NSN 4140-01-394-5655
NSN 6150-00-241-9676
NSN 6610-01-209-1474