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 5950-00-899-6283
NSN 6220-00-445-4050
NSN 6145-01-628-7160
NSN 6135-00-505-0679
NSN 5985-00-239-2146
NSN 5950-01-463-7780
NSN 6240-00-932-1331
NSN 4140-01-547-3275
NSN 5945-01-567-8325
NSN 6620-01-298-0991
NSN 5930-01-129-9293
NSN 4140-01-157-3700