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 6645-01-147-2089
NSN 5930-01-168-8184
NSN 6110-00-456-2058
NSN 6135-01-459-1239
NSN 5930-01-173-8105
NSN 5925-00-256-8548
NSN 6620-00-105-3312
NSN 6110-01-168-8600
NSN 5935-01-046-8955
NSN 6240-00-105-8380
NSN 6145-00-434-1681
NSN 5895-01-446-5791