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 6620-01-566-1142
NSN 6135-00-542-6728
NSN 6145-01-523-3075
NSN 2925-01-250-2731
NSN 6220-01-537-7077
NSN 5915-01-488-9788
NSN 5915-00-760-1903
NSN 5925-00-437-2854
NSN 2925-00-127-7828
NSN 5910-01-598-0873
NSN 5950-01-483-4000
NSN 5935-00-217-8366