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 6150-00-177-7031
NSN 6240-01-196-1688
NSN 6610-00-139-1105
NSN 5985-01-158-0044
NSN 6150-00-958-9553
NSN 5835-01-259-0815
NSN 5930-00-899-6784
NSN 5895-00-932-5491
NSN 5950-01-348-8965
NSN 5965-00-498-6503
NSN 5960-00-483-0161
NSN 6220-01-005-3839