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 6150-01-436-7107
NSN 4140-00-736-8813
NSN 5910-00-835-2370
NSN 6135-01-389-5787
NSN 6110-00-585-8920
NSN 6610-00-582-1107
NSN 6150-01-112-3161
NSN 6130-01-044-1888
NSN 6110-01-315-9249
NSN 6150-01-472-8201
NSN 5960-01-527-3525
NSN 6105-01-325-8307