SAE J1926 Straight Thread O-Ring Boss (ORB)

For SAE J1926 Straight Thread O-Ring Boss (ORB), governing standard is SAE J1926; region of origin is American Connections; thread type (tapered or parallel) is straight thread; seat or flare angle is flat surface; seal method is The male connection is a straight thread with an O-ring. The female port has a straight thread and a machined surface to provide a smooth, flat surface (minimum spotface), along with a chamfer where the O-ring seats. It seals when the O-ring is compressed into the chamfer when mating the male connection, recorded from its source on 2026-08-13.

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 J1926 Straight Thread O-Ring Boss (ORB) is recommended by the National Fire Protection Association (N.F.P.A.) for leak prevention in medium and high pressure hydraulic systems. The male connection is a straight thread with an O-ring. The female port has a straight thread and a machined surface to provide a smooth, flat surface (minimum spotface), along with a chamfer where the O-ring seats. It seals when the O-ring is compressed into the chamfer when mating the male connection. This is also considered a mechanical connection.

— brennaninc.com, retrieved 2026-08-13

Source

• brennaninc.comhttps://brennaninc.com/connection-types/

Last verified against source: 2026-08-13. Due for re-check by 2028-08-12. This page as Markdown · OKF bundle · full dataset as JSON.