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 6130-01-139-3701
NSN 5998-00-499-9779
NSN 6110-00-577-8156
NSN 5998-01-201-6748
NSN 6610-01-487-8879
NSN 5935-00-072-0035
NSN 6130-00-241-1478
NSN 6130-01-083-8533
NSN 5985-01-348-3345
NSN 5945-01-534-1403
NSN 2925-00-149-0760
NSN 4140-00-727-3731