### Question
What is the definition of component?


### Answer
The definition of **component** is as follows in *49 U.S.C. § 20171*:

> a part or subassembly of a railroad freight car

#### Citation:
  - *49 U.S.C. § 20171*
  - Heading: **SUBTITLE V-RAIL PROGRAMS > PART A-SAFETY > CHAPTER 201-GENERAL > SUBCHAPTER II-PARTICULAR ASPECTS OF SAFETY**

