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 5915-00-108-4941
NSN 6320-00-218-6105
NSN 6620-00-916-3134
NSN 5960-00-551-2633
NSN 5910-00-204-9571
NSN 6130-01-158-6579
NSN 6135-01-068-0119
NSN 5985-01-518-6117
NSN 5960-00-058-8830
NSN 6145-01-357-6288
NSN 6685-01-421-2206
NSN 5996-01-320-6743