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 5985-01-026-2074
NSN 6610-00-731-9532
NSN 5935-00-489-2104
NSN 5999-00-421-6456
NSN 5990-00-711-9890
NSN 5925-01-499-9163
NSN 5930-01-580-9931
NSN 6135-01-500-0572
NSN 5960-00-538-3375
NSN 6610-01-431-8575
NSN 2925-01-525-2892
NSN 6135-00-269-5843