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 5895-01-431-8612
NSN 5975-00-482-7386
NSN 6135-01-641-8640
NSN 2925-00-594-1157
NSN 5910-00-495-2504
NSN 5855-00-797-8217
NSN 6240-01-589-6103
NSN 6685-00-036-2282
NSN 5855-00-482-9876
NSN 6150-01-656-9227
NSN 6685-01-074-9443
NSN 5920-01-645-6082