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.
NSN 5996-00-905-5729
NSN 5945-00-960-7367
NSN 6685-00-948-8452
NSN 5965-01-298-1685
NSN 5998-01-546-9701
NSN 6220-00-122-3238
NSN 2925-00-105-3907
NSN 6105-00-146-5086
NSN 6130-00-422-2891
NSN 5905-01-367-6364
NSN 4140-01-196-3906
NSN 5910-01-270-6125