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 5950-01-381-3747
NSN 5996-01-101-4673
NSN 2925-00-555-8836
NSN 6240-01-152-1084
NSN 5855-01-236-9645
NSN 5910-01-463-9061
NSN 5975-01-133-1583
NSN 6150-00-262-4977
NSN 5835-00-888-9422
NSN 5990-00-241-1301
NSN 6650-01-409-1992
NSN 6620-01-446-6571