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 6645-01-592-7563
NSN 5990-01-222-8570
NSN 5975-01-553-8304
NSN 6320-00-731-6134
NSN 5920-01-551-1295
NSN 7035-00-897-7567
NSN 5930-01-129-5875
NSN 6645-00-433-6027
NSN 6150-01-337-0098
NSN 5996-01-004-2185
NSN 6220-01-449-2807
NSN 6110-01-399-8587