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 5915-00-860-0861
NSN 6145-01-102-2825
NSN 5935-00-248-5919
NSN 6650-01-006-7592
NSN 6135-00-968-8594
NSN 6220-01-359-7820
NSN 5930-01-646-3004
NSN 5998-01-555-8650
NSN 6110-00-471-3385
NSN 6240-01-187-6536
NSN 5990-01-357-6175
NSN 2925-01-157-9204