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 6240-01-341-7770
NSN 6645-00-100-4931
NSN 6650-01-251-7048
NSN 6150-01-051-0386
NSN 6135-00-809-2148
NSN 5996-00-701-9550
NSN 5945-01-074-4404
NSN 5975-00-356-4946
NSN 6220-01-332-3103
NSN 6650-01-084-5537
NSN 6130-00-530-3737
NSN 5990-01-013-8464