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 6135-01-633-8502
NSN 5990-00-179-2576
NSN 2925-01-283-3576
NSN 6130-01-089-8154
NSN 6110-00-981-6725
NSN 5960-01-167-2137
NSN 5920-00-617-9909
NSN 6610-01-574-3260
NSN 6130-00-284-1629
NSN 6240-00-926-7788
NSN 5996-00-368-9244
NSN 6130-01-200-7450