This SAE Aerospace Standard (AS) defines gland details for scrapers for rod diameters from 1/4 to 15-1/2 inch (6.35 to 393.70 mm) inclusive, corresponding to AS568 O-ring Dash No. sizes -108/-111, -206/-222, -325/-349, and -425/-460. The gland details herein allow the use of more stable, efficient and reliable scraper devices than MS33675 glands. NOTE: Scraper configurations are not specified in this document.
This AIR documents the methodologies used to calculate the dimensions and tolerances used in the following backup rings standards: AS5781 AS5782 AS5860 AS5861 In addition, an appendix is provided which provides details of gland and backup ring design practices.
This SAE Aerospace Recommended Practice (ARP) contains guidance regarding hardware design and installation procedures for seals in hydraulic components that utilize standard seal glands in accordance with AS4716, AS4832, AS4088, AS4052, AS5857, and AS6235.
The purpose of this specification sheet is to set up a standardized part numbering system for o-rings procured to MIL-R-83248, Class 1 (75 ± 5 hardness).
The purpose of this specification sheet is to set up a standardized part numbering system for o-rings procured to MIL-R-83248, Class 2 (90 ± 5 hardness).