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 5920-01-341-5616
NSN 5835-00-494-8419
NSN 6645-00-527-7258
NSN 6620-01-111-9064
NSN 5945-01-111-3575
NSN 5935-01-606-0528
NSN 6220-01-487-0541
NSN 6240-00-212-4305
NSN 5999-01-064-5077
NSN 5910-01-311-4604
NSN 5990-01-400-3299
NSN 5920-01-166-7421