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 5920-00-004-6372
NSN 5935-01-127-2413
NSN 5925-01-391-4986
NSN 6135-01-448-4680
NSN 5999-01-010-1082
NSN 5960-01-459-6665
NSN 6135-00-998-5884
NSN 6145-01-407-4786
NSN 6130-00-262-3385
NSN 2925-01-459-8093
NSN 5930-01-100-1084
NSN 6610-01-620-2303