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 5965-00-150-1144
NSN 5990-01-157-0441
NSN 5915-01-633-9845
NSN 6320-01-134-7267
NSN 6135-00-643-4843
NSN 5910-01-442-7256
NSN 6150-01-427-3764
NSN 5985-01-358-9010
NSN 5930-01-013-9251
NSN 5960-00-430-3781
NSN 5930-01-024-9382
NSN 2925-01-476-3224