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 6240-01-489-0961
NSN 6135-00-686-4777
NSN 5895-00-204-4358
NSN 5990-01-521-7890
NSN 5835-00-929-6623
NSN 6240-01-050-5755
NSN 6650-01-381-7172
NSN 5905-00-550-0937
NSN 6110-01-127-2852
NSN 5855-01-160-3802
NSN 5935-01-483-1143
NSN 5920-00-951-3824