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 6320-01-493-4472
NSN 6135-01-247-5660
NSN 5905-01-124-7155
NSN 6110-01-274-7774
NSN 5925-01-056-8765
NSN 5960-00-679-8153
NSN 5975-00-131-3495
NSN 5990-01-348-9843
NSN 5985-01-497-2113
NSN 5950-01-546-6251
NSN 5920-01-348-4217
NSN 6645-01-445-9089