3M Qualification – 301 Exam Questions & Answers (2025) – NSN, FSC, NIIN, Navy Item Control, SPMIG & Communications Systems Complete Study Guide

This document contains a complete and verified set of expert-approved exam questions and answers for the 3M Qualification – 301 assessment, updated for 2025. It provides detailed explanations of National Stock Numbers (NSN), their breakdown into Federal Supply Classification (FSC) and National Item Identification Number (NIIN), and the structure of the Navy Item Control Number. The guide also covers Material Control Codes, Special Material Identification Codes (SMIC), and the Standard PMS Materials Identification Guide (SPMIG). In addition to supply classification and inventory control concepts, the document includes essential knowledge on communications and network systems such as ADNX, ANDVT, DAMA, IDNX, OTAR/OTAT, Tactical Automated Security Systems (TASS), and various frequency bands (EHF, UHF, HF, VLF). It serves as both a technical reference and a test-preparation tool. This resource is particularly relevant for Navy supply personnel, logistics specialists, communications technicians, engineering students, and maintenance supervisors preparing for the 3M 301 qualification. It is equally useful for technical inspectors, shipboard coordinators, and logistics trainees seeking mastery over equipment identification, classification systems, and communications equipment fundamentals. Keywords: NSN, FSC, NIIN, Navy Item Control Number, Material Control Code, SMIC, SPMIG, ADNX, ANDVT, DAMA, IDNX, OTAR, OTAT, TASS, communications systems, frequency bands