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 5930-00-156-3700
NSN 5998-01-243-0003
NSN 5895-01-535-7082
NSN 6620-00-905-6590
NSN 6135-01-199-1185
NSN 5999-01-073-7531
NSN 5975-01-189-5925
NSN 6620-00-383-8740
NSN 6130-01-042-9526
NSN 6150-00-922-6893
NSN 5999-01-161-3415
NSN 5990-00-774-6537