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 4140-01-512-0744
NSN 5985-00-376-5682
NSN 5920-01-360-6674
NSN 6220-01-216-9337
NSN 6135-01-392-8344
NSN 6620-01-392-7191
NSN 5999-00-573-2893
NSN 6105-00-484-9270
NSN 5855-00-821-7512
NSN 6150-01-612-0641
NSN 6130-00-239-0230
NSN 5975-00-337-8795