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 6620-00-221-7608
NSN 6685-01-207-0666
NSN 6110-00-663-4054
NSN 6130-01-131-9158
NSN 6645-01-062-4042
NSN 6320-01-340-4112
NSN 6650-01-553-2805
NSN 5999-01-447-2960
NSN 5960-01-460-0115
NSN 6645-01-081-4898
NSN 5930-01-463-3499
NSN 5950-00-550-1069