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 5915-01-108-0112
NSN 5945-01-285-8037
NSN 6220-01-164-2271
NSN 5996-01-357-5865
NSN 5985-01-367-4656
NSN 6135-00-505-0679
NSN 6150-00-433-4298
NSN 6645-00-664-4665
NSN 6220-01-427-2333
NSN 5996-01-240-4381
NSN 5925-01-297-4194
NSN 6685-00-499-6451