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 5910-01-561-2154
NSN 5975-01-487-1974
NSN 5915-00-506-0263
NSN 6620-01-355-4339
NSN 5996-01-492-9445
NSN 6105-00-171-6521
NSN 5985-01-022-6624
NSN 6610-00-005-1847
NSN 5930-00-125-7073
NSN 2925-00-585-4572
NSN 6240-01-444-1673
NSN 6150-01-492-4977