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 6150-01-071-4677
NSN 6610-00-856-7136
NSN 6110-00-828-1820
NSN 2925-01-243-0328
NSN 6610-01-444-8881
NSN 5999-01-588-4597
NSN 5835-01-391-4556
NSN 5920-01-147-5652
NSN 5925-00-912-6493
NSN 6240-01-295-8262
NSN 5835-01-589-4735
NSN 6650-00-680-9595