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 6110-00-542-2202
NSN 6220-00-578-6539
NSN 5935-01-159-2597
NSN 5910-01-282-0017
NSN 6130-00-949-9994
NSN 5960-00-833-9154
NSN 5835-01-608-4285
NSN 4140-01-260-8106
NSN 6320-01-495-1244
NSN 6650-00-111-3399
NSN 6130-01-240-7078
NSN 5965-00-905-6895