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 6145-01-374-8457
NSN 5999-00-355-6295
NSN 5910-00-246-3561
NSN 6150-01-423-8145
NSN 6650-01-057-5438
NSN 6320-01-585-8468
NSN 5990-01-552-5386
NSN 5905-01-091-0091
NSN 5999-01-477-7353
NSN 4140-00-717-5277
NSN 5945-00-351-9677
NSN 5985-01-645-6303