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 6620-00-257-2783
NSN 4140-00-802-0169
NSN 6610-00-186-9180
NSN 5925-00-041-1935
NSN 6150-00-655-2914
NSN 5990-00-061-9041
NSN 6105-01-214-0341
NSN 6240-00-777-4263
NSN 6145-01-055-6976
NSN 6685-01-125-6687
NSN 6220-01-264-8944
NSN 5975-00-983-0111