CEC

The CECTwo definitions: (1) Contractor Establishment Code - nine character code assigned by Dun & Bradstreet that identifies the contractor establishment receiving the award. The DUNS number has formally replaced the CEC as the Federal Procurement Data System's (FPDS) official contractor identification code; (2) Combat Essentiality Code - one character code used by the Marine Corps to signify items that indicate whether an end item is essential to the operational readiness of a weapon system or the conduct of a military mission or if the end item is a functional part contributing to the tactical and essential operations of an end item component or assembly whose failure would render the end item inoperable or incapable of fulfilling its mission; or if a repair or secondary depot repairable component is required for the safety and health of personnel, or is required by state or local laws. is a one-character numeric code that indicates whether or not an end item is essential to the operational readiness of a weapon system or the conduct of a military mission; or that an end item is a functional part contributing to the tactical and essential operations of an end item component or assembly whose failure would render the end item inoperable or incapable of fulfilling its mission; or that a repair or secondary depot reparable component is required for the safety and health of personnel, or is required by state or local laws.

A comparison of the code for a NSNNational Stock Number - a 13-digit number assigned to a part under the Federal Cataloging Program. The first four digits of the NSN are the Federal Supply Class (FSC) of the part. The last nine digits are the National Item Identification Number (NIIN) of the part. is made for each higher order equipment application within the Marine Corps supply system. The code actually recorded is the most critical numeric derived from the comparison.