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 6135-00-078-9931
NSN 5920-00-073-8950
NSN 6240-01-587-0923
NSN 2925-01-506-6975
NSN 5855-00-560-0110
NSN 5935-01-383-8205
NSN 5999-01-483-2488
NSN 6220-01-502-9451
NSN 5950-01-348-7902
NSN 2925-00-728-4558
NSN 5930-01-209-2171
NSN 5935-01-391-9475