---
kind: "section"
citation: "33 C.F.R. § 183.530"
title: "33"
number: "183.530"
heading: "Spud, pipe, and hose fitting configuration."
url: "https://uscodex.org/cfr/33/183.530"
---

# §183.530. Spud, pipe, and hose fitting configuration.


Except when used for a tank fill line, each spud, pipe, or hose fitting used with hose clamps must have:

- (a) A bead;
- (b) A flare; or
- (c) A series of annular grooves or serrations no less than 0.015 inches deep, except a continuous helical thread, knurl, or groove.

## Notes

### Amendments

[CGD 74-209, 42 FR 5950, Jan. 31, 1977, as amended by USCG-1999-5832, 64 FR 34716, June 29, 1999]

### Source

Source: CGD 74-209, 42 FR 5950, Jan. 31, 1977, unless otherwise noted.

### Authority

Authority: 46 U.S.C. 4302; Pub. L. 103-206, 107 Stat. 2439; and Department of Homeland Security Delegation No. 0170.1, para. II, (92)(b). Subpart E is also authorized by Pub. L. 114-120, 130 Stat. 27

### Source

Source: CGD 72-61R, 37 FR 15782, Aug. 4, 1972, unless otherwise noted.

### Amendments

[CGD 74-209, 42 FR 5950, Jan. 31, 1977, as amended by USCG-1999-5832, 64 FR 34716, June 29, 1999]