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 6240-01-577-0666
NSN 5945-00-410-7666
NSN 6620-01-230-0197
NSN 6105-01-634-0322
NSN 6685-00-807-5952
NSN 5975-01-192-6287
NSN 6145-01-229-5654
NSN 6130-00-079-1269
NSN 6150-01-531-4635
NSN 6130-01-228-5337
NSN 2925-00-714-3932
NSN 5975-01-531-2062