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 6110-01-149-0147
NSN 6130-01-525-9393
NSN 5920-00-928-2229
NSN 6150-01-028-4937
NSN 5915-01-615-9346
NSN 7035-00-541-8516
NSN 5999-00-185-6032
NSN 5960-01-513-3230
NSN 5950-00-908-6929
NSN 2925-01-011-2325
NSN 6685-01-574-2764
NSN 5855-01-599-3982