# SAE J514 JIC/37° — Hydraulic and pipe connection type identification

For SAE J514 JIC/37°, governing standard is SAE J514; region of origin is American Connections; thread type (tapered or parallel) is straight thread; seat or flare angle is 37°; seal method is Both male and female components have 37° seats. The seal is made by establishing contact between the male flared and female coned seat, recorded from its source on 2026-08-13.

- **Connection type:** SAE J514 JIC/37° _(verified: appears in the quote below)_
- **Governing standard:** SAE J514 _(verified: appears in the quote below)_
- **Region of origin:** American Connections _(our reading, not quoted from the source)_
- **Thread type (tapered or parallel):** straight thread
- **Seat or flare angle:** 37° _(verified: appears in the quote below)_
- **Seal method:** Both male and female components have 37° seats. The seal is made by establishing contact between the male flared and female coned seat. _(verified: appears in the quote below)_
- **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

## What the source says

> SAE J514 JIC/37° hydraulic connections are common in most fluid power systems. Both male and female components have 37° seats. The seal is made by establishing contact between the male flared and female coned seat. This is also considered a mechanical connection.

## Source

- https://brennaninc.com/connection-types/

Last verified: 2026-08-13. Review by: 2028-08-12.
Part of [Hydraulic and pipe connection type identification](https://referencesource.org/hydraulic-pipe-connection-types/).