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 5910-00-122-3733
NSN 6130-01-445-6365
NSN 5950-00-224-8401
NSN 2925-01-233-8545
NSN 6645-00-401-5563
NSN 5998-00-852-2873
NSN 6610-01-406-4985
NSN 6220-01-543-6324
NSN 6650-01-146-5000
NSN 6240-00-905-0463
NSN 6320-01-564-0893
NSN 6130-01-310-8441