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 5905-00-081-1831
NSN 2925-01-351-9748
NSN 5910-01-423-8436
NSN 6650-01-113-7563
NSN 5975-01-161-4069
NSN 5990-01-421-3325
NSN 5935-01-289-1194
NSN 6130-01-018-1956
NSN 5945-00-269-5375
NSN 6130-01-295-7452
NSN 5985-00-995-2303
NSN 5999-01-375-3034