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 5920-00-862-5820
NSN 5975-01-514-0235
NSN 5990-01-339-5118
NSN 6610-01-501-0129
NSN 5930-01-600-0260
NSN 6145-01-583-2631
NSN 5935-01-217-4784
NSN 5965-00-181-0213
NSN 4140-01-633-6618
NSN 5950-01-209-4710
NSN 6320-01-255-2096
NSN 5925-00-259-5682