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 5910-00-081-5547
NSN 5905-01-220-8096
NSN 5975-00-799-2584
NSN 5920-01-297-3132
NSN 6240-01-189-9339
NSN 6645-01-518-7287
NSN 6135-00-500-2082
NSN 6610-01-590-5243
NSN 5999-00-837-9496
NSN 5975-00-097-0177
NSN 5920-01-092-4233
NSN 5920-01-602-9407