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 5920-01-583-5762
NSN 5996-00-265-7067
NSN 5985-00-737-0494
NSN 6220-01-570-5450
NSN 6320-01-436-9228
NSN 5905-01-363-8156
NSN 6135-01-210-8715
NSN 6110-00-271-9928
NSN 5965-01-399-8454
NSN 5945-01-540-3506
NSN 6105-01-614-5342
NSN 6145-01-527-1050