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 6135-01-566-1034
NSN 5985-01-475-2533
NSN 6130-00-301-1185
NSN 4140-01-345-7693
NSN 6150-01-216-4895
NSN 6620-01-434-6538
NSN 4140-01-609-2703
NSN 6135-01-648-4875
NSN 5855-01-160-3802
NSN 6220-00-848-2008
NSN 5835-00-148-9719
NSN 5945-01-225-4297