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 5990-01-357-2453
NSN 5998-00-143-4723
NSN 2925-01-197-7864
NSN 5998-00-970-9133
NSN 5950-01-420-6528
NSN 5999-01-026-4627
NSN 6135-00-243-8330
NSN 5950-01-216-2260
NSN 5915-00-128-8022
NSN 5855-01-069-4742
NSN 6150-01-483-1129
NSN 7035-01-271-1643