MRL Manufacturing Corp We Manufacture Nuts Milled from Bar

Providing quality products at competitive pricing requires the implementation of a Quality Program which permeates the entire organization.

  • Our quality program exceeds the requirements of MIL-I-45208A.

  • All inventory is coded by part number, heat number, and lot.

  • Materials in production are controlled by heat number and work order.

  • Continuous internal audits provide the source for steady improvement.

Production Quality Control

  • Raw material is inspected upon receipt and inventoried by heat number. Original mill certifications are required of all incoming materials at time of delivery and are verified before acceptance.

  • All production lots are subject to a first piece inspection following set up, and prior to production.

  • In process inspection is conducted continuously by the operator, followed up by the inspection department. Inspection is conducted in accordance with SPC standards.

  • Final inspection is carried out prior to shipment.

  • Sampling plans are developed in accordance with the requirements of ANSI/ASQC Z14-1993.

  • All inspection equipment is maintained and controlled in accordance with the requirements of ANSI/NCSL Z 540-1-1994.


  • MRL Manufacturing assigns a unique manufacturer lot number to all jobs. Unique manufacturer lot numbers are required per the NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY (N.I.S.T.), to insure complete traceability.

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