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 6620-00-358-7160
NSN 5960-01-301-3315
NSN 6645-00-809-9833
NSN 4140-01-483-5270
NSN 5999-01-407-8708
NSN 5965-00-069-8886
NSN 5930-00-921-7004
NSN 6130-01-081-9974
NSN 6685-01-461-3223
NSN 6105-01-515-4645
NSN 5945-01-411-2822
NSN 6150-01-487-6823