1 inch MSS SP-83 Union Dimensions
1 inch (DN 25) to MSS SP-83: min 41.4 mm; max 28.98 mm; Laying length 62 mm; N 78.7 mm.
Key to dimensions
- L
- Laying length
- A–N
- Other dimensions as lettered in MSS SP-83
1 inch MSS SP-83 Union Dimensions — all dimensions
MSS SP-83 threaded unions, Class 3000 (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| min — A | 41.4 mm | 1.63 in |
| min — C | 4.55 mm | 0.179 in |
| max — D | 28.98 mm | 1.14 in |
| min — D | 27.74 mm | 1.09 in |
| min — F | 4.57 mm | 0.180 in |
| min — G | 4.45 mm | 0.175 in |
| min — J | 1.85 mm | 0.073 in |
| Laying length — L | 62 mm | 2.44 in |
| N | 78.7 mm | 3.10 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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1 inch MSS SP-83 Union Dimensions: common questions
What are the 1 inch MSS SP-83 Union Dimensions?
1 inch (DN 25) to MSS SP-83: min 41.4 mm; max 28.98 mm; Laying length 62 mm; N 78.7 mm.
Does Teshi Group manufacture 1 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 1 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 1 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.