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 6110-01-071-4465
NSN 5905-00-590-6318
NSN 6135-01-468-6491
NSN 6685-01-391-6790
NSN 5920-00-259-7294
NSN 5999-01-364-8209
NSN 6130-01-381-1046
NSN 6620-00-654-3738
NSN 5960-00-950-1925
NSN 5960-01-429-5897
NSN 6150-01-072-2275
NSN 5990-00-752-2126