3 inch MSS SP-83 Union Dimensions
3 inch (DN 80) to MSS SP-83: min 102.4 mm; max 88.25 mm; Laying length 109 mm; N 175.3 mm.
Key to dimensions
- L
- Laying length
- A–N
- Other dimensions as lettered in MSS SP-83
3 inch MSS SP-83 Union Dimensions — all dimensions
MSS SP-83 threaded unions, Class 3000 (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| min — A | 102.4 mm | 4.03 in |
| min — C | 7.62 mm | 0.300 in |
| max — D | 88.25 mm | 3.47 in |
| min — D | 77.27 mm | 3.04 in |
| min — F | 8.26 mm | 0.325 in |
| min — G | 8 mm | 0.315 in |
| min — J | 3.53 mm | 0.139 in |
| Laying length — L | 109 mm | 4.29 in |
| N | 175.3 mm | 6.90 in |
Values are nominal, from MSS SP-83 Union Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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Other sizes — MSS SP-83 Union Dimensions
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3 inch MSS SP-83 Union Dimensions: common questions
What are the 3 inch MSS SP-83 Union Dimensions?
3 inch (DN 80) to MSS SP-83: min 102.4 mm; max 88.25 mm; Laying length 109 mm; N 175.3 mm.
Does Teshi Group manufacture 3 inch forged fittings?
Yes. Teshi Group is an OEM manufacturer in India of forged fittings to MSS SP-83, in carbon, alloy, stainless, duplex, super duplex, nickel alloys, titanium and Cu-Ni, with EN 10204 3.1 certificates.
Can I download the 3 inch dimensions as a PDF?
Yes. Use “Download PDF for this size” on this page to get a single-size, print-ready PDF with the drawing and every tabulated dimension, or download the full MSS SP-83 Union Dimensions chart.
Need 3 inch forged fittings?
Teshi Group manufactures them in India — send your size, rating and material and get a quote in 24–48 hours.
Ready to build to spec?
Share your drawing, bill of materials or technical requirements with the Teshi team.