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 6145-01-339-3262
NSN 5990-00-539-7859
NSN 6130-00-801-5359
NSN 6320-01-501-7935
NSN 5960-01-509-8779
NSN 4140-01-141-4473
NSN 6105-01-649-9841
NSN 6110-01-282-9110
NSN 6645-01-542-6159
NSN 5920-00-163-3562
NSN 5985-00-370-3379
NSN 5990-01-231-1214