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Quality Control
 Koch's Quality Control Program is our assurance to you that the quality of every product we manufacture is checked throughout each step of the production process to ensure the product meets your specifications. All quality control findings are documented.
Koch employs strict procedures that ensure a consistently high degree of quality. Starting with the careful selection and inspection of all incoming material, through the production process to the finished product, Koch's focus on quality is unmatched.
Koch's Quality Control Department is equipped to conduct thorough inspection of all manufacturing processes.
- Quality System is Nadcap AC7004 accredited
- Procedures conform to MIL-I-45208A
- Gauges and inspection equipment are calibrated in accordance with MIL-STD-45662
Quality SpecificationsKoch Metal Spinning is in compliance with the following specifications:
- MIL-I-45208A - Inspection System Requirements
- MIL-Q-9858A - Quality Program Requirements
- MIL-STD-45662 - Calibration System Requirements
- MIL-STD-120 - Military Standard Gage Inspection
- MIL-STD-105E - Sampling Procedures and Tables for Inspection by Attributes
- MIL-STD-414 - Sampling Procedures and Tables for Inspection by Variables for Percent Defective
Heat Treatment SpecificationsKoch Metal Spinning is in compliance with the following specifications:
- MIL-H-6088 - Heat Treatment of Aluminum Alloys
- AMS-H-6088 - Heat Treatment of Aluminum Alloys
- AMS-2770 - Heat Treatment of Aluminum Alloys
- AMS-2772 - Heat Treatment of Aluminum Alloys
- AMS-2750 - Pyrometry
- ARP-1962 - Certification of Heat Treat Personnel
- MIL-STD-1537 - Electrical Conductivity Test for Verification of Heat Treatment of Aluminum Alloys
- AMS-2658 - Hardness and Conductivity Inspection of Wrought Aluminum Alloy Parts
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