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 5990-00-559-1822
NSN 6130-00-082-2633
NSN 6610-01-351-0072
NSN 6685-01-566-9342
NSN 5915-01-461-3089
NSN 5895-01-603-6226
NSN 6685-01-212-3259
NSN 5930-01-556-7138
NSN 5975-01-167-8515
NSN 5950-01-333-4195
NSN 5855-00-832-9341
NSN 5990-01-443-2931