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 6610-01-149-9749
NSN 6650-01-472-6753
NSN 6135-00-134-6648
NSN 6320-01-459-6992
NSN 6620-00-366-1365
NSN 5990-01-493-4039
NSN 6240-00-051-5163
NSN 5925-00-112-3460
NSN 5960-00-390-9789
NSN 5998-01-349-4910
NSN 6610-01-141-9979
NSN 5855-01-051-4143