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 6645-00-451-6462
NSN 5920-00-917-1869
NSN 6240-01-415-5581
NSN 6130-01-634-0603
NSN 4140-01-510-9642
NSN 5835-00-286-5432
NSN 2925-00-555-8836
NSN 5935-01-427-3822
NSN 6240-01-342-3274
NSN 5960-01-449-1310
NSN 4140-00-518-2744
NSN 5985-01-455-1748