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 6685-00-291-4050
NSN 5935-01-303-6742
NSN 6145-00-431-8376
NSN 6110-00-163-1694
NSN 5985-01-358-0036
NSN 4140-00-081-6814
NSN 5910-01-411-3545
NSN 5945-00-244-1212
NSN 5996-00-072-9944
NSN 6220-00-615-2168
NSN 5855-01-644-3271
NSN 5920-00-259-7294