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 5975-00-958-2019
NSN 6620-01-148-5191
NSN 6645-00-456-7653
NSN 5895-01-329-4428
NSN 5920-00-839-4430
NSN 5925-01-466-9170
NSN 5975-01-283-7847
NSN 5915-01-377-5757
NSN 5965-01-113-9061
NSN 5905-00-514-1984
NSN 5998-01-538-1970
NSN 6620-00-140-8644