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 6135-01-305-6958
NSN 5990-01-309-0048
NSN 6685-00-181-9928
NSN 5835-01-555-4262
NSN 5998-01-203-7402
NSN 6650-00-205-6282
NSN 5930-00-030-6726
NSN 5855-01-147-4785
NSN 6685-00-355-7965
NSN 5935-00-362-3873
NSN 4140-00-842-1898
NSN 6610-01-606-8788