Identification sheet
The four inch connections found on North American equipment, with the thread each dash size carries. JIC and ORB share a thread at every dash, and SAE 45 shares it at six of them, so the seat column on the identification sheet is what separates them.
42 rows4 sectionsLandscape
| Size | Thread | TPI / pitch | Basic major Ø | Measured across crests | Tube OD | Working pressure |
|---|---|---|---|---|---|---|
| JIC 37 degree flare (SAE J514 / ISO 8434-2) | ||||||
| -02 JIC | 5/16-24 UNF | 24 TPI (1.058 mm pitch) | 7.94 mm / 0.313 in | Not published | 0.125 in | 5,000 psi (345 bar) |
| -03 JIC | 3/8-24 UNF | 24 TPI (1.058 mm pitch) | 9.53 mm / 0.375 in | 9.5 mm to 9.65 mm | 0.1875 in | 5,000 psi (345 bar) |
| -04 JIC | 7/16-20 UNF | 20 TPI (1.27 mm pitch) | 11.11 mm / 0.438 in | 11 mm to 11.18 mm | 0.25 in | 5,000 psi (345 bar) |
| -05 JIC | 1/2-20 UNF | 20 TPI (1.27 mm pitch) | 12.7 mm / 0.5 in | 12.5 mm to 12.7 mm | 0.3125 in | 5,000 psi (345 bar) |
| -06 JIC | 9/16-18 UNF | 18 TPI (1.411 mm pitch) | 14.29 mm / 0.563 in | 14.1 mm to 14.3 mm | 0.375 in | 5,000 psi (345 bar) |
| -08 JIC | 3/4-16 UNF | 16 TPI (1.587 mm pitch) | 19.05 mm / 0.75 in | 18.9 mm to 19.1 mm | 0.5 in | 4,500 psi (310 bar) |
All 42 rows across 4 sections, black on white, column headers repeating at the top of every page, banded rows, no row split across a page break, landscape. Print it or save it as a PDF.
Every figure on this sheet is free to read on the size page it came from and on its standard index. What Premium buys is the sheet.
Free to read
Nothing on this sheet is behind the paywall as information. Each standard below has a free index carrying the same table, and each size has its own page with the measured span, the seat, what it mates with and the sources behind every figure.
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Every value on this page was checked against 10 independent published sources: