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 5996-01-343-0651
NSN 2925-00-110-7975
NSN 5975-01-275-2767
NSN 5945-01-163-3809
NSN 6620-01-382-2921
NSN 5945-01-489-5519
NSN 5930-01-416-9773
NSN 5965-00-142-9052
NSN 5996-01-121-5949
NSN 5945-01-168-3258
NSN 5915-00-518-4656
NSN 6610-01-653-5985