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 5925-01-087-9374
NSN 5920-01-543-0800
NSN 5975-01-254-7000
NSN 6610-00-936-7323
NSN 5985-01-252-8822
NSN 6620-00-211-8731
NSN 6610-01-136-7836
NSN 5935-01-476-7205
NSN 5945-01-545-6775
NSN 6610-00-796-3087
NSN 5999-00-184-5843
NSN 6145-01-379-1168