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 6650-00-641-6139
NSN 5999-01-473-3918
NSN 5930-01-504-3362
NSN 6145-01-199-6292
NSN 5925-00-539-5324
NSN 6220-01-344-9707
NSN 4140-00-802-8080
NSN 6620-01-346-6575
NSN 5835-00-160-7142
NSN 2925-01-400-2286
NSN 5920-01-408-9835
NSN 6240-01-158-0402