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 5996-01-528-7850
NSN 5999-01-266-0587
NSN 5975-01-419-3070
NSN 6620-01-384-2105
NSN 5990-00-263-1289
NSN 5996-01-532-1705
NSN 2925-00-839-6815
NSN 6240-00-494-0927
NSN 5965-00-177-2932
NSN 6620-01-135-0090
NSN 6150-01-431-3060
NSN 5910-01-050-8451