---
kind: "section"
citation: "42 C.F.R. § 84.71"
title: "42"
number: "84.71"
heading: "Self-contained breathing apparatus; required components."
url: "https://uscodex.org/cfr/42/84.71"
---

# §84.71. Self-contained breathing apparatus; required components.

- (a) Each self-contained breathing apparatus described in [§ 84.70](/cfr/42/84.70.md) shall, where its design requires, contain the following component parts:
  - (1) Facepiece or mouthpiece, and noseclip;
  - (2) Respirable breathing gas container;
  - (3) Supply of respirable breathing gas;
  - (4) Gas pressure or liquid level gages;
  - (5) Timer;
  - (6) Remaining service life indicator or warning device;
  - (7) Hand-operated valves;
  - (8) Breathing bag;
  - (9) Safety relief valve or safety relief system; and
  - (10) **Harness.**
- (b) The components of each self-contained breathing apparatus shall meet the minimum construction requirements set forth in subpart G of this part.

## Notes

### Authority

Authority: 29 U.S.C. 651 et seq.; 30 U.S.C. 3, 5, 7, 811, 842(h), 844.

### Source

Source: 60 FR 30355, June 8, 1995, unless otherwise noted.