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 6620-00-596-1951
NSN 7035-01-168-3596
NSN 6135-01-307-6006
NSN 5996-01-095-5345
NSN 6620-00-882-2479
NSN 4140-00-781-9432
NSN 5935-01-124-8081
NSN 5945-00-769-0856
NSN 5905-00-036-8859
NSN 6320-01-052-2118
NSN 6240-01-503-2038
NSN 2925-01-133-8128