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 5975-01-112-3526
NSN 6130-00-277-7321
NSN 6220-01-062-2077
NSN 5996-01-199-0442
NSN 5910-00-572-8737
NSN 5920-01-409-2830
NSN 6645-01-226-2766
NSN 5905-01-292-9098
NSN 6610-00-548-3452
NSN 6320-01-085-8845
NSN 6135-00-891-4944
NSN 6620-00-909-3984