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 6110-00-205-1778
NSN 6150-01-012-3971
NSN 5895-01-090-4245
NSN 2925-01-197-7864
NSN 6685-01-052-0933
NSN 6685-00-139-3930
NSN 5985-00-598-4707
NSN 5990-01-443-2931
NSN 5996-01-478-3511
NSN 5905-01-437-9554
NSN 6620-01-116-3983
NSN 6610-00-276-5030