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 6150-01-329-7551
NSN 6220-01-159-9080
NSN 5985-01-209-2407
NSN 6220-00-076-0428
NSN 6130-01-583-8364
NSN 6130-01-488-9372
NSN 5998-00-370-0650
NSN 5960-01-416-2544
NSN 5855-01-506-6767
NSN 5910-01-400-0891
NSN 5965-01-646-6326
NSN 5990-01-411-5930