1/4 inch MSS SP-83 Union Dimensions
1/4 inch (DN 8) to MSS SP-83: min 19 mm; max 11.13 mm; Laying length 41.4 mm; N 50.8 mm.
Key to dimensions
- L
- Laying length
- A–N
- Other dimensions as lettered in MSS SP-83
1/4 inch MSS SP-83 Union Dimensions — all dimensions
MSS SP-83 threaded unions, Class 3000 (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| min — A | 19 mm | 0.748 in |
| min — C | 3.02 mm | 0.119 in |
| max — D | 11.13 mm | 0.438 in |
| min — D | 9.45 mm | 0.372 in |
| min — F | 3.18 mm | 0.125 in |
| min — G | 3.18 mm | 0.125 in |
| min — J | 1.24 mm | 0.049 in |
| Laying length — L | 41.4 mm | 1.63 in |
| N | 50.8 mm | 2.00 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.
Find another size or standard
Pick a product, standard and size — or just type — to see every dimension and download a watermarked PDF for that one size.
Other sizes — MSS SP-83 Union Dimensions
Related for this size
¼" ASME B16.11 Socket Weld Fitting Dimensions
Same size — open the dimensions page.
View online · PDFASME B16.11¼" ASME B16.11 Threaded Fitting Dimensions
Same size — open the dimensions page.
View online · PDFASME B36.10M¼" Pipe Schedule Chart — ASME B36.10M
Same size — open the dimensions page.
View online · PDFFAQ
1/4 inch MSS SP-83 Union Dimensions: common questions
What are the 1/4 inch MSS SP-83 Union Dimensions?
1/4 inch (DN 8) to MSS SP-83: min 19 mm; max 11.13 mm; Laying length 41.4 mm; N 50.8 mm.
Does Teshi Group manufacture 1/4 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 1/4 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 1/4 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.