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 4140-01-628-1190
NSN 5945-01-440-9114
NSN 5905-01-590-7690
NSN 5915-00-155-1425
NSN 6110-01-660-4195
NSN 5975-01-371-2403
NSN 6240-00-627-9007
NSN 5985-01-271-7582
NSN 6150-01-370-4177
NSN 6620-01-296-9803
NSN 6145-00-583-9989
NSN 6220-00-123-7445