---
kind: "section"
citation: "49 C.F.R. § 179.202-5"
title: "49"
number: "179.202-5"
heading: "Tank head puncture resistance system."
url: "https://uscodex.org/cfr/49/179.202-5"
---

# §179.202-5. Tank head puncture resistance system.


The DOT-117 specification tank car must have a tank head puncture resistance system in conformance with [§ 179.16(c)](/cfr/49/179.16.md?p=c). The full height head shields must have a minimum thickness of 1/2 inch.


## Notes

### Amendments

[80 FR 26749, May 8, 2015]

### Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

### Source

Source: 29 FR 18995, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

### Amendments

[80 FR 26749, May 8, 2015]