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 5996-01-556-2487
NSN 5920-01-372-1322
NSN 6130-01-537-7617
NSN 2925-01-149-0352
NSN 6240-01-558-8377
NSN 6610-01-273-7204
NSN 6645-01-305-8042
NSN 6240-00-357-7976
NSN 6150-00-126-5999
NSN 6610-01-200-6861
NSN 6320-00-070-4544
NSN 5905-01-440-7672