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 5920-01-305-0721
NSN 5910-00-323-0607
NSN 5930-01-519-9317
NSN 4140-01-439-7530
NSN 5996-00-549-4258
NSN 5915-00-053-8462
NSN 6240-01-302-6537
NSN 5990-01-372-1642
NSN 5930-01-021-9569
NSN 2925-00-246-3077
NSN 5996-01-141-1989
NSN 5895-01-132-7476