# 2026-15575: Wrought Butt-Welding Fittings: Now Officially Updated

2026-15575, Pipeline Safety: Standards Update-MSS SP-75, is a Federal Register rule from Transportation Department, Pipeline and Hazardous Materials Safety Administration published 2026-07-31, effective 2027-01-01 (as of 2026-08-07).

- Canonical: https://policyrisk.com/federal-register/2026-15575
- As of: 2026-08-07
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-15575
- Title: Pipeline Safety: Standards Update-MSS SP-75
- Type: Rule
- Agencies: Transportation Department; Pipeline and Hazardous Materials Safety Administration
- Citation: 91 FR 48307
- Published: 2026-07-31
- Effective: 2027-01-01
- Comments close: not stated
- Significant: no
- Touches household money: no
- Regulation identifier numbers: 2137-AG36
- Last updated: 2026-08-07

## In one line

Wrought Butt-Welding Fittings: Now Officially Updated

## Summary

PHMSA is confirming the effective date for a DFR published in the Federal Register on April 24, 2026. The DFR amended PHMSA's regulations at 49 CFR part 195 to incorporate by reference the updated industry standard MSS SP-75, High-Strength, Wrought, Butt-Welding Fittings.

## Effects PRIA read

No economic effects identified for this document.

## Related documents

- [2026-13805](https://policyrisk.com/federal-register/2026-13805): Pipeline Safety: Repair Criteria for Hazardous Liquid and Gas Transmission Pipelines, 2026-07-08
- [2026-10969](https://policyrisk.com/federal-register/2026-10969): Pipeline Safety: Breakout Tank Inspection Rule, 2026-06-02
- [2026-10782](https://policyrisk.com/federal-register/2026-10782): Pipeline Safety: Class Location Change Requirements; Correction, 2026-05-29
- [2026-08144](https://policyrisk.com/federal-register/2026-08144): Administrative Rulemaking, Guidance, and Enforcement Procedures, 2026-04-27
- [2026-08058](https://policyrisk.com/federal-register/2026-08058): Pipeline Safety: Safety of Gas Transmission Pipelines: MAOP Reconfirmation, Expansion of Assessment Requirements, and Other Related Amendme…, 2026-04-24
- [2026-06323](https://policyrisk.com/federal-register/2026-06323): Pipeline Safety: Class Location Change Requirements; Response to Petition for Reconsideration, 2026-04-01

## Sources
- [2026-15575 on federalregister.gov](https://www.federalregister.gov/documents/2026/07/31/2026-15575/pipeline-safety-standards-update-mss-sp-75)
- [2026-15575 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-07-31/pdf/2026-15575.pdf)

## Related
- [Previous: 2026-15574, Pipeline Safety: Standards Update-NACE SP0206](https://policyrisk.com/federal-register/2026-15574)
- [Next: 2026-15576, Pipeline Safety: Standards Update-ASTM F2620](https://policyrisk.com/federal-register/2026-15576)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-15575 (as of 2026-08-07).