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 6150-00-933-3311
NSN 6650-00-310-2534
NSN 5975-01-507-2219
NSN 5945-00-312-3108
NSN 5960-01-258-6708
NSN 6220-00-361-8338
NSN 5855-00-436-3852
NSN 5930-01-096-8542
NSN 6130-01-152-4573
NSN 5920-01-654-3147
NSN 5930-01-268-4354
NSN 6110-01-464-4878