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 6685-01-607-6251
NSN 6220-01-222-5392
NSN 5905-01-363-1045
NSN 6645-01-221-9424
NSN 5975-01-409-2948
NSN 5999-01-451-3332
NSN 5965-01-131-4078
NSN 5950-00-158-5352
NSN 5905-00-228-2344
NSN 5998-00-769-0414
NSN 6320-01-652-3806
NSN 5930-00-079-5474