OC-ALCI21-105 governs the identification, marking, analysis, and tracking of metals used in Oklahoma City Air Logistics Complex manufacturing processes.
View OC-ALCI21-105 on armypubs.army.mil
It defines permitted marking methods and addresses metal inspection, sample submission, chemical analysis, laboratory reporting, and handling of misidentified material. It requires production groups to verify identification, submit samples under specified conditions, complete forms, and tag material confirmed unsuitable for use.
Applies to: This instruction applies to the 76th Aircraft Maintenance Group (76 AMXG), the 76th Propulsion Maintenance Group (76 PMXG), the 76th Commodities Maintenance Group (76 CMXG), and 76 MXSS/MXDTA.
TO 42D-1-3 states that this is the preferred method of applying a marking.
IAW TO 42D-1-3, paragraph 2-5, colored cellophane or plastic tapes may be used in lieu of paints only when the metal and tape will not be exposed to oils and/or sunlight.
TO 42D-1-3 states that this method must only be used where facilities are not available or size will not permit the application of one of the other methods.
Reject any metal stock from the SSC or WSSC lacking positive identification.
Submit representative material samples (at least 1-inch long by 1-inch wide by 1/4-inch thick, or stock thickness for sheet metal) to 76 MXSS/MXDTA for analysis when: nonconformance is suspected; the material’s special criteria on the drawing is questioned; or the drawing specifically requires metallurgical/chemical analysis.