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.
Classification: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 6645-01-417-1913
NSN 4140-01-133-9011
NSN 6145-01-213-4350
NSN 5895-00-263-3983
NSN 6240-00-267-7428
NSN 5895-00-594-2885
NSN 6610-01-511-4882
NSN 5990-00-518-3195
NSN 5950-00-951-5835
NSN 6135-01-502-5787
NSN 5965-01-140-1522
NSN 6650-01-191-6862