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 6135-00-078-9931
NSN 6150-00-500-8097
NSN 6145-01-161-6228
NSN 5925-01-381-0614
NSN 5975-01-486-9631
NSN 5996-01-409-1860
NSN 5950-00-069-3949
NSN 6645-00-905-2361
NSN 6650-01-037-9755
NSN 6130-01-158-6139
NSN 6150-00-405-9802
NSN 5996-00-657-4741