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 5985-00-323-1317
NSN 6650-00-938-2153
NSN 6105-00-317-5688
NSN 5930-01-511-4965
NSN 6240-00-350-4375
NSN 5996-01-312-6856
NSN 6320-00-937-5625
NSN 5999-00-707-6083
NSN 6220-01-265-7144
NSN 5920-01-512-0713
NSN 5915-01-069-2775
NSN 6610-01-189-3001