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 5996-01-586-0162
NSN 6130-00-487-7699
NSN 5975-01-367-1859
NSN 2925-01-108-3307
NSN 5990-00-524-2293
NSN 4140-01-582-4703
NSN 5990-00-627-5151
NSN 5960-00-959-5226
NSN 6650-00-929-3946
NSN 6620-00-273-8735
NSN 6620-01-435-0799
NSN 5925-01-469-6667