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 5975-01-518-4172
NSN 5975-00-740-8367
NSN 5835-00-180-7555
NSN 6220-01-427-2333
NSN 5985-01-632-5572
NSN 6135-01-610-1124
NSN 6610-00-156-5699
NSN 5910-01-443-3016
NSN 5985-01-482-6011
NSN 6620-01-202-7415
NSN 5975-00-794-2523
NSN 5990-01-581-5103