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 5998-01-410-8290
NSN 5960-01-567-1096
NSN 5855-01-580-1520
NSN 6110-00-328-0443
NSN 6130-01-512-1710
NSN 4140-01-346-9293
NSN 5965-01-442-7364
NSN 2925-01-368-5773
NSN 5935-01-045-1544
NSN 5930-01-350-3529
NSN 5920-01-595-7650
NSN 6240-01-627-0968