Spec. Gravit (air=1)@70 def f(21.1c): 0.906; freezing/melting pt @10 psig: -345.8f (-210c) ; boiling pt -320.4f;
No other part numbers with same form, fit, and function found.
A predetermined mixture of 2 or more gases in which each component is measured to extreme accuracy and its contents certified. It is normally used to standardize and assure the accuracy of highly sensitive laboratory equipment.
NSN 6240-00-753-7586
NSN 5999-00-283-6533
NSN 6150-00-246-6673
NSN 5895-01-598-3861
NSN 6620-01-070-9042
NSN 5915-01-267-2822
NSN 5950-01-174-3415
NSN 6620-01-454-5717
NSN 5910-01-656-9902
NSN 5915-01-139-5277
NSN 5985-00-553-7103
NSN 5915-01-274-1411