This document outlines the key components of the US federal bureaucracy according to Max Weber's model of bureaucracy. It discusses the different types of federal administrative organizations like cabinet departments, independent agencies, and regulatory boards. It also explains key aspects of bureaucracy like hierarchy, specialization, explicit rules, and merit-based hiring. Additionally, it examines the three main functions of bureaucracy as implementation, regulation, and adjudication. It provides historical examples of political influence on the bureaucracy and reforms like the Pendleton Act that began implementing a merit-based civil service.