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 5996-01-494-2942
NSN 4140-01-277-1797
NSN 6135-01-263-4073
NSN 6220-00-775-7498
NSN 5985-01-011-8109
NSN 7035-01-520-7243
NSN 5996-01-336-7240
NSN 5950-01-462-8895
NSN 5965-01-419-2251
NSN 5920-00-348-9134
NSN 6150-01-596-3619
NSN 5960-01-167-0763