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 5925-01-532-4111
NSN 6110-00-353-0139
NSN 5895-01-252-5885
NSN 6240-00-193-8573
NSN 5920-00-900-5336
NSN 5930-00-551-2088
NSN 5985-00-929-1466
NSN 6620-01-168-8450
NSN 6610-01-364-0294
NSN 6610-00-623-5783
NSN 5930-00-958-5132
NSN 6320-01-054-3046