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 5960-00-163-9204
NSN 6110-00-724-3136
NSN 6610-00-186-9180
NSN 5950-00-350-8373
NSN 5855-01-558-9357
NSN 5950-00-922-4145
NSN 6135-00-756-6149
NSN 4140-01-019-8980
NSN 5935-01-408-4537
NSN 5835-01-319-4636
NSN 5960-01-094-5958
NSN 5985-01-028-6296