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 6240-01-656-1126
NSN 6220-01-376-1608
NSN 6135-00-182-7008
NSN 5960-01-367-0981
NSN 5975-01-501-7672
NSN 5835-01-515-5860
NSN 5950-01-172-0432
NSN 6150-00-141-8793
NSN 6610-00-670-7803
NSN 6110-01-417-1811
NSN 6240-00-702-1814
NSN 6145-00-851-0898