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 5920-01-632-6144
NSN 5965-01-010-1258
NSN 5975-01-418-4003
NSN 5930-01-188-1538
NSN 6150-01-062-5187
NSN 6320-01-173-7950
NSN 6610-00-276-1716
NSN 5905-00-630-4482
NSN 5996-01-557-8032
NSN 5950-00-105-0945
NSN 5895-01-012-2202
NSN 6220-01-613-7368