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 6645-01-330-4251
NSN 5999-00-955-5704
NSN 5935-01-449-1243
NSN 5835-01-089-7615
NSN 5975-00-915-0530
NSN 6320-00-977-3930
NSN 5905-01-516-7715
NSN 5855-01-344-3706
NSN 6650-01-516-3631
NSN 6135-00-078-9931
NSN 5996-01-469-6165
NSN 5930-01-133-7586