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 5999-01-311-8879
NSN 6105-01-283-0413
NSN 6240-01-512-1856
NSN 4140-00-838-5976
NSN 6130-01-158-9437
NSN 5930-01-004-6152
NSN 7035-00-991-6877
NSN 5990-01-413-2405
NSN 5895-00-359-3834
NSN 6105-00-265-7545
NSN 5975-01-376-0426
NSN 5935-01-321-6187