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 6220-01-513-9279
NSN 6220-01-154-0204
NSN 5960-01-032-4229
NSN 6220-01-144-5166
NSN 6240-00-143-7513
NSN 5835-00-050-4330
NSN 6110-01-632-7774
NSN 5855-01-395-7429
NSN 7035-00-631-3782
NSN 5990-00-777-0413
NSN 5905-01-370-1136
NSN 6620-00-500-0041