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 4140-00-189-0235
NSN 6110-01-069-1908
NSN 5920-01-362-0680
NSN 6135-00-542-6216
NSN 5925-00-840-9071
NSN 5998-01-481-3907
NSN 5950-01-311-2226
NSN 5950-00-425-9937
NSN 5975-01-136-4988
NSN 6240-01-359-6024
NSN 6610-01-451-1217
NSN 6105-01-285-1157