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 5990-00-027-7508
NSN 6105-01-091-0512
NSN 5965-00-246-5612
NSN 6685-01-020-7235
NSN 5855-01-088-4699
NSN 5945-00-466-3748
NSN 2925-01-460-1601
NSN 5930-01-143-9164
NSN 6130-00-223-2099
NSN 5999-00-501-5472
NSN 6220-01-420-1285
NSN 6240-01-366-9670