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 6135-00-756-6149
NSN 4140-01-214-6380
NSN 5905-01-393-2295
NSN 5999-01-399-8726
NSN 6130-00-691-8533
NSN 5975-00-939-9013
NSN 5905-01-084-2214
NSN 6130-00-419-5691
NSN 6685-00-971-2570
NSN 5945-00-238-6877
NSN 6130-01-289-0824
NSN 5920-01-019-3685