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 6685-01-634-0611
NSN 5935-01-634-0668
NSN 6110-01-487-4198
NSN 5975-01-265-8678
NSN 6220-01-604-8283
NSN 5930-00-261-8219
NSN 6135-01-540-9136
NSN 5925-00-958-2696
NSN 6650-01-057-0054
NSN 6135-01-230-4399
NSN 6650-00-375-6632
NSN 6650-00-434-0188