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 5905-01-568-1660
NSN 6320-01-564-0893
NSN 6220-01-225-6375
NSN 7035-00-371-7749
NSN 5915-00-797-8750
NSN 6645-01-322-8431
NSN 5990-01-200-3711
NSN 6110-01-564-6409
NSN 5910-01-026-6915
NSN 6150-01-168-8860
NSN 6150-00-428-1578
NSN 5935-01-210-0121