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 6105-01-355-9104
NSN 5935-01-142-7895
NSN 6220-01-031-6583
NSN 5998-01-171-8616
NSN 4140-00-435-5607
NSN 5855-01-213-9076
NSN 5975-01-502-9421
NSN 5910-01-472-3798
NSN 5996-01-123-9038
NSN 5985-00-421-4060
NSN 6220-00-707-5044
NSN 5915-01-331-7496