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 5975-00-707-8036
NSN 6645-00-251-0688
NSN 6105-00-001-8051
NSN 5990-01-561-0737
NSN 5996-01-470-0148
NSN 5895-00-280-7528
NSN 6130-01-308-1968
NSN 7035-01-045-7202
NSN 5915-00-291-3736
NSN 5930-01-296-7559
NSN 5985-00-909-8304
NSN 6135-01-370-2599