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 5975-01-426-8968
NSN 6620-01-020-2628
NSN 6620-01-568-5226
NSN 5855-01-548-9990
NSN 5935-01-135-6797
NSN 4140-01-280-3872
NSN 5915-00-518-1644
NSN 5855-01-073-6102
NSN 5985-01-600-0733
NSN 5965-00-866-3371
NSN 2925-01-560-4123
NSN 5950-01-487-3750