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 5960-01-391-0643
NSN 5855-00-149-0766
NSN 6150-01-376-0032
NSN 5920-00-941-6109
NSN 5895-01-542-7191
NSN 6620-01-530-3198
NSN 5945-01-114-7022
NSN 6240-01-064-2980
NSN 6105-01-535-5156
NSN 6110-01-406-2074
NSN 6685-01-525-7586
NSN 6135-01-607-5478