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 6610-01-229-3679
NSN 6110-00-129-0035
NSN 5935-00-342-5668
NSN 5910-01-323-6139
NSN 5960-01-142-1995
NSN 6220-01-309-1803
NSN 5935-00-711-6013
NSN 6130-01-305-3678
NSN 5999-01-371-2830
NSN 5965-00-783-8239
NSN 5910-01-010-8357
NSN 5905-01-465-4169