---
kind: "section"
citation: "40 C.F.R. § 1090.1550"
title: "40"
number: "1090.1550"
heading: "Requirements for gasoline dispensing nozzles used with motor vehicles."
url: "https://uscodex.org/cfr/40/1090.1550"
---

# §1090.1550. Requirements for gasoline dispensing nozzles used with motor vehicles.


The following requirements apply for any nozzle installation used for dispensing gasoline into motor vehicles:

- (a) Nozzles must meet the following hardware specifications:
  - (1) The outside diameter of the terminal end must not be greater than 21.3 mm.
  - (2) The terminal end must have a straight section of at least 63 mm.
  - (3) The retaining spring must terminate at least 76 mm from the terminal end.
- (b) The dispensing flow rate must not exceed a maximum value of 10 gallons per minute. The flow rate may be controlled through any means in the pump/dispenser system, as long as it does not exceed the specified maximum value.

## Notes

### Amendments

[88 FR 4718, Jan. 24, 2023]

### Authority

Authority: 42 U.S.C. 7414, 7521, 7522-7525, 7541, 7542, 7543, 7545, 7547, 7550, and 7601.

### Source

Source: 85 FR 78469, Dec. 4, 2020, unless otherwise noted.

### Amendments

[88 FR 4718, Jan. 24, 2023]