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 6610-01-525-4389
NSN 5920-01-311-9812
NSN 4140-01-332-1973
NSN 5920-00-410-7849
NSN 5915-00-180-3979
NSN 6240-01-224-7656
NSN 7035-00-861-7913
NSN 6610-01-466-9985
NSN 6135-01-255-4786
NSN 6145-01-235-8368
NSN 5999-01-448-9520
NSN 5996-00-304-9897