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 6150-00-221-5122
NSN 5945-01-553-5953
NSN 5975-01-135-5954
NSN 6610-01-067-4359
NSN 5935-01-571-7247
NSN 5945-00-296-8464
NSN 6220-00-823-6688
NSN 5910-01-467-6569
NSN 5950-01-386-6137
NSN 5999-01-295-3985
NSN 6130-01-417-2165
NSN 6110-01-656-1360