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 6110-00-624-1906
NSN 5999-01-555-8285
NSN 5920-01-502-9264
NSN 2925-00-247-6248
NSN 6150-01-324-9154
NSN 5920-01-190-6424
NSN 6240-01-375-6119
NSN 5925-01-383-4076
NSN 5895-00-583-4129
NSN 6610-00-623-5783
NSN 5930-01-185-0633
NSN 5985-01-365-1010