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 6145-01-423-8470
NSN 6135-01-521-7693
NSN 5905-01-450-8038
NSN 5950-00-323-1680
NSN 6150-01-451-4049
NSN 5985-00-597-2966
NSN 4140-01-196-6331
NSN 6645-01-400-2119
NSN 6620-01-488-4681
NSN 6105-01-355-1262
NSN 5910-01-094-6168
NSN 6650-01-028-2820