It depends on the project specification. Many engineering, procurement, and construction (EPC) contracts explicitly require MSS SP-99 compliance. Using non-compliant parts risks voiding warranties or failing inspections.
You can view standard layouts or brief educational document previews on research sharing sites such as Scribd or Academia.edu . MSS SP-99-2023 | PDF - Scribd mss sp99 pdf
Professionals often search for an "MSS SP-99 PDF" online to verify specifications or approve vendor drawings. However, understanding why this standard exists and what it covers is just as important as having the document on your hard drive. It depends on the project specification