AIR4738B Hardness Testing of Elastomeric O-Rings
Reaffirmed
11/13/2025
- Content
- This SAE Aerospace Information Report (AIR) provides a general description of methods for hardness testing of O-rings including factors which affect precision and comparison of results with those obtained in standard tests.
- Pages
- 5
- Citation
- SAE International Information Report, Hardness Testing of Elastomeric O-Rings, SAE Standard AIR4738B, Reaffirmed November 2025, Revised April 2020, Issued October 1992, https://doi.org/10.4271/AIR4738B.