SAE J512 45°
For SAE J512 45°, governing standard is SAE J512; region of origin is American Connections; thread type (tapered or parallel) is straight thread; seat or flare angle is 45°; seal method is The male and female connections have 45° seats, where the seal is make where the male flare and the female cone meet, recorded from its source on 2026-08-13.
- Connection type
- SAE J512 45° verified
- Governing standard
- SAE J512 verified
- Region of origin
- American Connections our reading
- Thread type (tapered or parallel)
- straight thread
- Seat or flare angle
- 45° verified
- Seal method
- The male and female connections have 45° seats, where the seal is make where the male flare and the female cone meet. verified
- Interchangeability notes
- dash sizes: -02, -03, -04, -05, -08, and -10 of SAE 37° and SAE 45° have the same threads, but NOT the same seat angles. Intermixing the two different types of fittings will result in leakage
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
SAE J512 45° connections are used in automotive, refrigeration and truck pipe systems. These connectors are typically brass material. The male and female connections have 45° seats, where the seal is make where the male flare and the female cone meet. This is a mechanical connection also.
— brennaninc.com, retrieved 2026-08-13
Source
- brennaninc.comhttps://brennaninc.com/connection-types/