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 6150-00-187-7287
NSN 5996-00-059-2407
NSN 5960-01-170-4057
NSN 5915-01-124-4488
NSN 6135-00-942-7970
NSN 5960-00-944-1113
NSN 5975-01-383-9449
NSN 6620-00-172-9222
NSN 4140-01-315-1140
NSN 7035-01-256-3973
NSN 6320-01-429-9871
NSN 6220-01-619-9120