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 5915-01-054-3788
NSN 2925-00-717-5430
NSN 5950-01-461-6441
NSN 5985-01-388-0156
NSN 5935-01-660-3512
NSN 5920-00-705-2916
NSN 6150-00-311-3105
NSN 6220-01-328-6574
NSN 5905-00-398-0778
NSN 6135-01-420-5907
NSN 5915-01-350-2037
NSN 5905-01-158-7791