---
kind: "section"
citation: "46 C.F.R. § 108.425"
title: "46"
number: "108.425"
heading: "Fire hoses and associated equipment."
url: "https://uscodex.org/cfr/46/108.425"
---

# §108.425. Fire hoses and associated equipment.

- (a) Each length of fire hose in a fire main system must be—
  - (1) Of 1 1/2 or 2 1/2 inch nominal hose size diameter;
  - (2) Of 50 foot nominal hose size length; and
  - (3) Lined commercial fire hose that meets Standard 19 of the Underwriters' Laboratories, Inc., (1971 edition) or Federal Specification ZZ-H-451f.
- (b) Fire station hydrant connections shall be brass, bronze, or other equivalent metal. Couplings shall either:
  - (1) Use National Standard fire hose coupling threads for the 1 1/2 inch (38 millimeter) and 2 1/2 inch (64 millimeter) hose sizes, i.e., 9 threads per inch for 1 1/2 inch hose, and 7 1/2 threads per inch for 2 1/2 inch hose; or
  - (2) **Be a uniform design for each hose diameter throughout the vessel.**
- (c) Each nozzle for a firehose in a fire main system must be a combination solid stream and water spray firehose nozzle that is approve under [subpart 162.027](/cfr/46/subpart162.027.md). Combination solid stream and water spray nozzles previously approved under [subpart 162.027](/cfr/46/subpart162.027.md) of this chapter may be retained so long as they are maintained in good condition to the satisfaction of the Officer in Charge, Marine Inspection.
- (d) A combination solid stream and water spray firehose nozzle previously approved under [subpart 162.027](/cfr/46/subpart162.027.md) of this chapter, must have a low-velocity water spray applicator also previously approved under [subpart 162.027](/cfr/46/subpart162.027.md) of this chapter when installed in—
  - (1) Machinery spaces containing oil fired boilers, internal combustion machinery or oil fuel units; and
  - (2) **Helicopter decks.**

## Notes

### Amendments

[CGD 73-251, 43 FR 56808, Dec. 4, 1978, as amended by CGD 95-027, 61 FR 26008, May 23, 1996; CGD 95-028, 62 FR 51208, Sept. 30, 1997]

### Authority

Authority: 43 U.S.C. 1333; 46 U.S.C. 3102, 3306; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGD 73-251, 43 FR 56808, Dec. 4, 1978, unless otherwise noted.

### Amendments

[CGD 73-251, 43 FR 56808, Dec. 4, 1978, as amended by CGD 95-027, 61 FR 26008, May 23, 1996; CGD 95-028, 62 FR 51208, Sept. 30, 1997]