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 5925-00-459-5704
NSN 6130-00-249-6904
NSN 5965-01-386-2988
NSN 2925-01-426-3410
NSN 5965-00-554-4138
NSN 6610-00-161-0680
NSN 6685-01-546-5163
NSN 6320-01-183-8196
NSN 6105-00-066-4529
NSN 5965-00-217-1113
NSN 5998-01-212-8602
NSN 5835-00-222-3956