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 5895-01-309-5077
NSN 6320-01-287-0540
NSN 5895-01-485-0393
NSN 6110-01-082-4172
NSN 5975-00-153-0050
NSN 6240-00-859-5936
NSN 5999-01-537-1496
NSN 5905-01-612-7350
NSN 6110-01-529-5244
NSN 5985-00-725-8311
NSN 5990-00-038-6482
NSN 6135-01-108-2864