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 5915-00-105-6173
NSN 5996-00-186-8709
NSN 6240-00-306-9214
NSN 5965-01-092-2510
NSN 6685-01-317-3659
NSN 6610-01-534-8433
NSN 5920-01-474-8172
NSN 5920-00-553-3550
NSN 7035-01-633-9537
NSN 7035-00-300-3208
NSN 5930-01-599-7877
NSN 6150-01-221-1422