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 6145-00-249-8781
NSN 6645-01-542-6159
NSN 6620-01-019-3955
NSN 6145-01-204-7021
NSN 6240-00-954-7853
NSN 5990-00-391-4945
NSN 6240-01-616-6813
NSN 2925-01-217-5889
NSN 6610-01-391-5092
NSN 5915-01-365-3375
NSN 6620-01-323-6091
NSN 5999-01-583-2886