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 6620-00-185-1671
NSN 5930-01-630-8664
NSN 6145-01-186-3532
NSN 6150-01-149-0515
NSN 6130-01-570-6168
NSN 6620-01-219-9056
NSN 5905-00-276-8597
NSN 5855-00-293-4708
NSN 6135-00-767-0331
NSN 6135-01-608-2355
NSN 5965-01-436-0390
NSN 5910-01-334-7381