ISO 4156-1 Involute splines, metric, side fit
CurrentLatest edition found. Still confirm amendments with the publisher.
- Edition
- ISO 4156-1:2021
- Publisher
- ISO
- Part family
- Shafts, keys & splines
- Reviewed
- 23 October 2026 · source checked
Is ISO 4156-1 still current?
Yes. ISO 4156-1:2021 is the latest edition MechAtlas found (MechAtlas review: 23 October 2026). Check the publisher for amendments before you specify it.
What it covers
Involute splines, metric, side fit
Equivalent and related standards
| Standard | Relationship | Note |
|---|---|---|
| DIN 5480 | Similar purpose — not interchangeable without an engineering check | |
| ASME B92.2M | Similar purpose — not interchangeable without an engineering check |
“Similar” never means interchangeable without an engineering check.
Official source
MechAtlas does not reproduce standards. Check the official edition at the publisher's page for ISO 4156-1 or the ISO store.
Open in MechAtlasCheck a drawing callout
Other shafts, keys & splines standards
- ISO 3117 Withdrawn
Tangential keys - ISO 496 Withdrawn
Shaft heights - ISO 773 Withdrawn
Rectangular or square parallel keys and keyways (old) - ISO/TR 775 Withdrawn
Cylindrical and 1:10 conical shaft ends - ASME B17.1 Current
Keys and keyseats (inch) - DIN 332-1/-2 Current
Centre holes, incl. threaded type DR - DIN 6885-1 Current
Parallel keys and keyways - DIN 743-1..4 Current
Shaft and axle load capacity - DIN 748-1 Current
Cylindrical shaft ends - IS 2048 Current
Parallel keys and keyways (indigenous) - IS 3665 Current
Involute splines (indigenous) - ISO 14 Current
Straight-sided splines