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 6135-00-223-9563
NSN 6620-01-449-8743
NSN 6145-01-412-0926
NSN 5915-01-181-5603
NSN 6650-00-862-7143
NSN 5945-01-269-2576
NSN 6685-01-607-6251
NSN 5975-01-386-3061
NSN 6145-01-407-6240
NSN 4140-01-273-7788
NSN 5835-01-520-4479
NSN 5996-01-258-5888