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 6645-00-515-6148
NSN 5990-01-108-7785
NSN 6110-01-111-8762
NSN 5925-01-617-9355
NSN 5975-01-537-1597
NSN 5935-00-802-6261
NSN 4140-00-259-2567
NSN 6145-01-553-8655
NSN 5915-01-068-0995
NSN 5855-01-380-9950
NSN 5930-00-269-3740
NSN 5998-01-407-3954