QQ-N-286F, FEDERAL SPECIFICATION: NICKEL-COPPER-ALUMINUM ALLOY, WROUGHT (29-NOV-1990) [UNS N05500] [USE QQ-N-00286F IN LIEU OF QQ-N-286E]

QQ-N-286F, FEDERAL SPECIFICATION: NICKEL-COPPER-ALUMINUM ALLOY, WROUGHT (29-NOV-1990) [UNS N05500] [USE QQ-N-00286F IN LIEU OF QQ-N-286E]., The General Services Administration has authorized the use of this interim revision as a valid exception to Federal Specification QQ-N-286E, dated August 2, 1985. This specification covers all nickel-copper-aluminum alloy wrought forms formerly classified as class A. This alloy is designated under the Unified Numbering System for Metals and Alloys as UNS N05500. Except for cases where nonmagnetic properties are paramount, this alloy is intended to be age hardened prior to placing the material in service.