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 5920-00-497-7889
NSN 4140-00-349-3581
NSN 6650-00-276-9838
NSN 6135-00-377-9165
NSN 6685-01-115-3194
NSN 5999-01-289-7975
NSN 6220-01-164-2271
NSN 5996-01-346-1099
NSN 6685-01-310-5587
NSN 2925-01-197-7864
NSN 6110-00-928-8873
NSN 6130-01-284-8840