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 6320-00-593-0379
NSN 6130-01-411-4286
NSN 5930-01-186-4330
NSN 5930-01-083-1893
NSN 6145-01-270-4940
NSN 6240-01-158-8600
NSN 6610-01-376-3993
NSN 6685-01-473-4761
NSN 5920-01-351-9822
NSN 4140-01-196-5232
NSN 5985-01-207-4882
NSN 6220-01-481-3827