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 6685-01-281-7267
NSN 5930-00-693-1511
NSN 6145-01-359-7015
NSN 6610-00-563-9707
NSN 6240-00-756-5149
NSN 6110-01-400-4207
NSN 6135-00-998-5884
NSN 5990-01-591-8797
NSN 5910-01-394-6068
NSN 6105-01-656-0482
NSN 5915-00-669-8815
NSN 6610-00-701-2600