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 5990-01-248-4605
NSN 6135-01-140-8201
NSN 5930-01-358-5611
NSN 4140-01-434-2424
NSN 6145-01-191-4630
NSN 5999-01-020-3747
NSN 6650-00-913-8405
NSN 5855-01-195-2518
NSN 5935-01-106-2230
NSN 5996-01-349-2140
NSN 5975-01-478-9440
NSN 5930-01-460-2197