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 5925-01-442-6487
NSN 5945-01-236-5948
NSN 6130-01-470-5616
NSN 6135-00-269-5843
NSN 5960-01-117-8671
NSN 5975-01-012-7444
NSN 6620-01-166-4893
NSN 6620-00-479-9425
NSN 5990-01-328-9846
NSN 5925-00-767-0284
NSN 2925-01-336-2820
NSN 6610-00-133-4508