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 5990-01-411-5930
NSN 6130-01-417-7589
NSN 7035-00-533-4464
NSN 6130-00-151-5001
NSN 5975-01-543-7388
NSN 6220-01-184-7327
NSN 5935-00-098-5481
NSN 5895-01-285-9019
NSN 6320-00-242-3300
NSN 2925-01-633-4048
NSN 5999-01-145-9150
NSN 6150-00-770-9474