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 5975-01-063-8236
NSN 6150-01-368-9245
NSN 6610-01-252-8201
NSN 6150-01-184-7368
NSN 5835-01-497-5029
NSN 5965-00-285-0745
NSN 5935-01-227-4644
NSN 6150-00-108-6350
NSN 5855-01-604-0801
NSN 4140-01-538-9128
NSN 5996-00-911-7197
NSN 6650-00-853-3575