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 5925-01-451-5140
NSN 6620-00-886-1158
NSN 5985-01-063-8046
NSN 6220-00-602-7756
NSN 6610-01-376-9199
NSN 5998-01-018-9554
NSN 5910-01-463-3415
NSN 5965-00-988-8770
NSN 5960-01-370-4285
NSN 5930-01-528-7771
NSN 6610-01-417-3011
NSN 6145-01-409-1685