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 5990-00-607-0116
NSN 6150-01-439-9726
NSN 5996-00-067-8864
NSN 5990-00-099-0822
NSN 6220-00-081-6429
NSN 6105-01-423-9183
NSN 5925-00-824-0329
NSN 5925-01-371-2876
NSN 6645-01-364-2211
NSN 5895-01-052-8108
NSN 6620-01-542-8709
NSN 4140-01-290-3608