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 5910-01-487-0658
NSN 5905-01-306-8394
NSN 5895-01-421-1221
NSN 5999-01-278-7252
NSN 6150-01-499-2117
NSN 5925-01-231-8802
NSN 6130-01-141-9261
NSN 5905-01-067-2654
NSN 4140-01-333-9612
NSN 5999-01-501-8522
NSN 7035-01-512-2453
NSN 6685-01-350-3451