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 5855-01-521-4836
NSN 5935-01-186-6868
NSN 4140-00-249-5603
NSN 6650-00-393-0447
NSN 5990-01-137-8722
NSN 6240-01-408-9377
NSN 6620-01-227-4380
NSN 5915-01-043-6309
NSN 6220-00-557-7180
NSN 5920-01-629-6675
NSN 5910-00-190-1320
NSN 5930-01-343-8798