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 5945-01-069-4991
NSN 5945-00-079-6998
NSN 6685-01-457-3448
NSN 6685-00-513-0412
NSN 6620-01-621-0719
NSN 5998-00-218-1360
NSN 5920-01-426-8517
NSN 5985-01-204-8432
NSN 6685-01-363-4795
NSN 6110-00-594-7640
NSN 6610-00-856-7136
NSN 6105-01-561-6972