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 2925-01-274-8576
NSN 6220-01-567-5500
NSN 7035-00-490-0485
NSN 5915-01-429-2298
NSN 5950-01-429-6731
NSN 5855-00-821-7512
NSN 5925-01-114-4243
NSN 5985-00-492-8111
NSN 6650-01-497-1773
NSN 5930-01-425-2976
NSN 5960-01-233-9489
NSN 6240-01-469-9682