API 682 Pump shaft sealing systems
CurrentLatest edition found. Still confirm amendments with the publisher.
- Edition
- API 682 4th ed., 2014 (R2022)
- Publisher
- API
- Part family
- Seals & O-rings
- Reviewed
- 23 October 2026 · source not yet checked
Is API 682 still current?
Yes. API 682 4th ed., 2014 (R2022) is the latest edition MechAtlas found (MechAtlas review: 23 October 2026). Check the publisher for amendments before you specify it.
What it covers
Pump shaft sealing systems
Some editions could not be confirmed on a publisher page — check before use.
Equivalent and related standards
| Standard | Relationship | Note |
|---|---|---|
| ISO 21049 | 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 API 682 or the API store.
Open in MechAtlasCheck a drawing callout
Other seals & o-rings standards
- DIN 3771-1 Replaced
Fluid systems - O-rings - dimensions - IS 5129 (Part 1) Replaced
Rotary shaft lip type seals - nominal dimensions and tolerances - IS 9975 (Part 1) Replaced
Specification for O-rings - dimensions - ARPM OS-4 Current
Application guide for radial lip type shaft seals - DIN 3760 Current
Rotary shaft lip seals, types A/AS - DIN 3761 Current
Lip seals, automotive/heavy duty types - DIN ISO 3601-1 Current
O-rings - part 1 (ISO 3601-1:2012 + Amd 1:2019) - EN 12756 Current
Mechanical seal principal dimensions (ex DIN 24960) - IS 17891 Current
Fluid power systems - O-rings (parts 1 to 5) - IS/ISO 6194-1 Current
Rotary shaft lip seals - nominal dimensions and tolerances - ISO 21049 Current
Pump shaft sealing systems - ISO 3601-1 Current
O-ring sizes, tolerances, designation