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 6130-01-322-8507
NSN 6645-01-351-6900
NSN 2925-00-594-1157
NSN 6110-00-934-7943
NSN 5855-01-566-7431
NSN 6130-01-203-3484
NSN 6105-01-473-3706
NSN 6320-01-512-2031
NSN 6220-01-067-8142
NSN 6220-00-419-0635
NSN 5855-00-973-5717
NSN 5999-00-254-5759