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 5895-01-123-9669
NSN 5920-00-130-3593
NSN 5975-01-558-2106
NSN 6135-01-300-8455
NSN 5855-01-174-2463
NSN 5960-01-365-2320
NSN 6145-01-378-8816
NSN 6240-00-607-4303
NSN 5990-00-800-2521
NSN 6240-01-433-5413
NSN 5935-01-146-3062
NSN 5960-00-456-9035