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 6240-01-614-3774
NSN 5996-01-444-3915
NSN 5930-01-652-3290
NSN 5996-00-525-1777
NSN 5950-00-144-4139
NSN 6110-01-527-0444
NSN 6320-01-108-5933
NSN 6110-00-583-9821
NSN 5996-01-155-2467
NSN 5920-01-590-6429
NSN 5999-00-922-3345
NSN 6240-00-488-0278