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 6150-01-234-0172
NSN 5945-01-642-6550
NSN 6240-00-874-3533
NSN 6320-01-311-6576
NSN 6105-01-441-9312
NSN 5998-01-467-4394
NSN 6685-01-567-2064
NSN 5895-01-533-0144
NSN 5905-01-045-7313
NSN 6130-01-351-2564
NSN 5999-00-901-3238
NSN 6620-00-965-9841