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 4140-00-052-4815
NSN 6685-01-446-5825
NSN 5905-00-584-5009
NSN 6220-00-081-6429
NSN 6650-01-267-6142
NSN 6130-01-163-1251
NSN 5999-01-401-5322
NSN 5996-01-598-6274
NSN 6110-00-248-7475
NSN 6610-01-448-8904
NSN 5930-00-845-4589
NSN 5996-01-098-6712