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 6610-00-264-0961
NSN 5975-00-459-8902
NSN 5895-01-260-4206
NSN 5965-01-659-5181
NSN 5975-01-287-8068
NSN 6685-01-365-1408
NSN 5905-01-028-9161
NSN 2925-01-519-3221
NSN 6150-01-382-2563
NSN 2925-00-587-0672
NSN 5920-00-661-0840
NSN 6150-01-241-3694