This standard specifies the quality requirements, acceptance rules and inspection methods for lead-tin alloy coatings. This standard is applicable to the quality acceptance of lead-tin alloy coatings on parts (components) of aviation products.
HB 5049-1993 history
1993HB 5049-1993 Quality inspection of lead-tin alloy coating
1976HB 5049-1977 Quality inspection of lead-tin alloy coating