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 6650-01-302-4451
NSN 5975-01-019-2589
NSN 6110-00-845-4871
NSN 4140-01-046-1530
NSN 5945-01-502-6921
NSN 6145-01-328-7991
NSN 6650-01-003-9355
NSN 5999-00-950-9416
NSN 6110-01-302-2615
NSN 5960-01-560-8461
NSN 6220-00-255-5652
NSN 5855-00-832-9341