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 4140-01-514-7379
NSN 5998-01-088-0716
NSN 6135-01-581-1039
NSN 5985-01-443-0997
NSN 6320-01-643-0850
NSN 5935-01-115-7799
NSN 5975-00-606-6497
NSN 6130-01-371-0415
NSN 4140-00-947-3918
NSN 5945-01-571-6997
NSN 6320-01-176-8367
NSN 5945-01-445-5537