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Gland Design: Nominal 3/8 Inch Cross Section for Compression-Type Seals
- Aerospace Standard
Published June 17, 2019 by SAE International in United States
Downloadable datasets availableAnnotation ability available
This SAE Aerospace Standard (AS) offers gland details for a 0.364 inch (9.246 mm) cross-section gland (nominal 3/8 inch) with proposed gland lengths for compression-type seals with two backup rings over a range of 7 to 21 inches (178 to 533 mm) in diameter.
The dash number system used is similar to AS568A. A 600 series has been chosen as a logical extension of AS568A, and the 625 number has been selected for the initial number, since 300 and 400 series in MIL-G-5514 and AS4716 begin with 325 and 425 sizes.
Seal configurations and design are not a part of this document. This gland is for use with compression-type seals including, but not limited to, O-rings, T-rings, D-rings, cap seals, etc.
Revision A is a result of a Five-Year Review. This update includes complete tabulated dimensions for gland details, including wall and break edge details, surface roughness requirements, diametral clearance requirments, run out requirements, slider and cylinder breathing details, hardware recommendations to facilitate seal installation, and metric equivalents for all values.
Data Sets - Support Documents
|Unnamed Dataset 1|
|Table 1A||Gland dimensions and O-ring squeeze, in inches|
|Table 1B||Gland dimensions and O-ring squeeze, in millimeters|
|Table 3||Groove wall angle details|
|Table 4||Groove break edge detail|
|Table 6||Surface roughness requirements|
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