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 5998-01-514-0603
NSN 5999-00-081-3519
NSN 5915-01-614-1577
NSN 6650-00-778-2949
NSN 6685-01-227-1710
NSN 6110-01-559-9321
NSN 5990-00-140-1159
NSN 5996-01-555-7690
NSN 6110-01-504-4755
NSN 5920-00-821-0078
NSN 5950-00-605-6781
NSN 6135-00-767-0331