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 6685-01-535-4379
NSN 6685-00-079-2666
NSN 5910-01-543-0039
NSN 6240-00-432-7639
NSN 5945-01-350-3649
NSN 6645-01-282-9974
NSN 5998-01-373-9588
NSN 6220-01-097-8461
NSN 5965-00-351-7460
NSN 6645-01-263-3621
NSN 5935-00-301-3710
NSN 5990-00-177-2924