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 6145-01-254-2624
NSN 6220-01-394-8590
NSN 5965-00-362-2158
NSN 5895-01-322-6485
NSN 5975-01-106-7561
NSN 7035-01-293-3431
NSN 6645-00-510-6643
NSN 6650-01-004-6702
NSN 5835-00-130-6404
NSN 5998-00-891-3810
NSN 5930-00-788-3136
NSN 7035-01-123-8723