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 6620-01-225-2818
NSN 6610-01-400-3880
NSN 6105-01-420-4034
NSN 6145-00-899-2814
NSN 6650-01-308-3689
NSN 5925-00-517-8512
NSN 6135-01-252-0315
NSN 5975-01-660-1686
NSN 5925-01-308-8548
NSN 6650-01-456-5188
NSN 6110-01-464-0995
NSN 4140-01-031-6391