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 5999-00-846-4620
NSN 5920-01-542-5306
NSN 6620-01-068-4498
NSN 6110-01-600-0188
NSN 6610-01-629-4140
NSN 5930-00-089-1360
NSN 5920-01-074-6865
NSN 6135-01-530-9327
NSN 6110-01-225-1589
NSN 6240-00-653-8134
NSN 6240-01-461-1161
NSN 6610-01-435-3739