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 6645-00-357-8827
NSN 5965-00-350-2367
NSN 6135-00-764-8680
NSN 5990-00-827-0684
NSN 5990-01-105-0260
NSN 6145-01-187-7682
NSN 6620-00-175-0663
NSN 6645-00-754-4108
NSN 6620-01-577-6285
NSN 5910-01-610-3934
NSN 5930-01-400-6126
NSN 6150-01-537-3195