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 5925-00-334-0044
NSN 6620-00-551-8192
NSN 6135-01-359-0051
NSN 5910-00-943-5152
NSN 6110-01-599-8161
NSN 6220-01-621-9991
NSN 6150-01-014-9231
NSN 6105-01-246-0008
NSN 5975-00-644-4972
NSN 5935-01-330-7993
NSN 5930-00-283-9000
NSN 5925-00-597-1558