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 5945-00-180-5261
NSN 6620-00-067-4946
NSN 5945-00-472-0677
NSN 7035-00-574-4223
NSN 4140-01-242-2296
NSN 5895-01-067-9751
NSN 6620-01-492-4271
NSN 5920-01-535-0796
NSN 6650-01-326-3799
NSN 5915-01-658-2656
NSN 2925-00-679-8131
NSN 6110-00-518-2998