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 5990-00-372-5177
NSN 5998-00-432-8181
NSN 4140-01-063-0551
NSN 5950-00-991-0825
NSN 6130-01-260-6248
NSN 6145-01-323-4753
NSN 5998-00-703-9072
NSN 5905-01-252-0384
NSN 6610-01-613-5689
NSN 6650-01-118-8140
NSN 5960-01-433-7565
NSN 6145-00-905-6797