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 6240-01-364-6965
NSN 5985-01-132-8044
NSN 6130-00-882-9330
NSN 6685-00-478-0893
NSN 6620-01-530-1201
NSN 5945-01-262-0616
NSN 5950-01-248-7862
NSN 5950-01-643-3060
NSN 5905-00-774-8309
NSN 5895-01-107-0367
NSN 5950-00-542-2168
NSN 6145-01-612-0736