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 4140-01-367-2395
NSN 5930-00-283-3040
NSN 5910-01-455-7882
NSN 6130-01-634-0603
NSN 5855-01-547-6918
NSN 5915-01-168-5813
NSN 5855-01-003-7102
NSN 6320-01-512-2031
NSN 5990-00-621-0572
NSN 5935-00-308-2821
NSN 5999-01-654-1308
NSN 5925-01-140-7183