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 5999-00-185-6032
NSN 5960-00-320-3093
NSN 5930-01-107-9780
NSN 5920-01-346-3611
NSN 5998-01-460-6892
NSN 6685-01-377-6433
NSN 5855-01-068-3683
NSN 5950-00-178-8218
NSN 4140-01-165-3168
NSN 6610-01-626-8139
NSN 6220-01-065-3765
NSN 7035-01-106-3476