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 5996-01-644-9333
NSN 6110-00-193-0030
NSN 7035-01-320-4336
NSN 5945-00-218-0012
NSN 6135-01-610-2098
NSN 5915-01-411-6933
NSN 4140-01-575-2364
NSN 6620-01-116-3983
NSN 6130-00-603-0066
NSN 6610-01-044-1860
NSN 5998-00-250-5869
NSN 6110-01-184-0736