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 5930-00-788-0895
NSN 6610-01-344-0972
NSN 5935-00-166-5108
NSN 5990-01-417-4402
NSN 6135-01-423-7502
NSN 6610-01-483-7874
NSN 5990-01-449-7090
NSN 7035-00-631-3782
NSN 5920-00-348-9134
NSN 6220-01-020-7596
NSN 5910-01-273-2211
NSN 6150-01-393-7607