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 5950-00-521-9412
NSN 4140-01-091-8818
NSN 6240-01-013-4573
NSN 5905-01-244-0755
NSN 6105-01-204-9991
NSN 6685-00-932-4258
NSN 5960-01-564-5044
NSN 5935-00-727-8856
NSN 5925-01-629-7248
NSN 5996-01-652-9693
NSN 5998-01-502-9307
NSN 5999-01-651-6862