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 6650-01-338-6042
NSN 6145-01-086-6897
NSN 6610-01-008-5264
NSN 6105-01-238-4908
NSN 5945-01-189-9258
NSN 6320-01-616-0843
NSN 5895-01-325-4960
NSN 5975-01-122-5834
NSN 5895-01-028-8425
NSN 6145-01-220-2309
NSN 5960-01-043-8414
NSN 5915-00-948-0447