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 5910-00-855-0616
NSN 6150-00-100-4373
NSN 5998-00-288-5533
NSN 7035-00-565-9623
NSN 5960-01-434-5539
NSN 6105-01-378-2670
NSN 5998-00-100-0162
NSN 6320-01-125-3361
NSN 5960-01-142-1995
NSN 5935-00-805-5965
NSN 6320-01-366-5157
NSN 5975-00-411-6294