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 6135-01-139-1700
NSN 5960-01-304-3073
NSN 6105-01-164-6641
NSN 5895-01-307-1095
NSN 6110-01-100-7638
NSN 6240-00-943-7560
NSN 5920-01-052-3339
NSN 5998-01-237-2541
NSN 6610-00-388-9188
NSN 5990-00-492-5063
NSN 6240-01-184-6831
NSN 6130-01-502-0172