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 5985-01-118-0136
NSN 4140-01-608-3837
NSN 5935-01-495-6681
NSN 4140-01-260-4156
NSN 4140-01-171-7013
NSN 5855-01-464-1513
NSN 6145-01-443-3336
NSN 5975-00-009-8718
NSN 6620-00-127-0816
NSN 5975-00-571-8467
NSN 5920-01-195-2299
NSN 5999-01-365-1498