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 6650-01-256-7038
NSN 6685-01-053-4337
NSN 5975-00-805-9359
NSN 5975-00-631-0120
NSN 5945-00-920-6036
NSN 2925-01-143-0092
NSN 5999-00-549-2580
NSN 6650-01-262-5394
NSN 5945-01-628-0834
NSN 5990-00-402-1715
NSN 6685-01-512-1602
NSN 5920-00-449-0063