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Standard

Patterns of O-ring Failures

2019-08-12
WIP
AIR1707C
The information presented herein describes the commonly observed patterns of O-ring failure by means of both text and illustration. Possible causes and corrective actions are indicated for alleviating the problem.
Standard

Laboratory Viscosity Measurement of Thickened Aircraft Deicing/Anti-icing Fluids with the Brookfield LV Viscometer

2019-08-01
WIP
AS9968A
This AS describes a standard method for viscosity measurements of thickened (AMS1428) anti-icing fluids. Fluid manufacturers may publish alternate methods for their fluids. In case of conflicting results between the two methods, the manufacturer method takes precedence. To compare viscosities, exactly the same measurement elements (including spindle and container size) must have been used to obtain those viscosities.
Standard

Synthetic Rubber, Hot Oil Resistant, High Swell, 45 - 55

2019-07-29
CURRENT
AMS3222J
This specification covers a synthetic rubber in the form of sheet, strip, tubing, extrusions, and molded shapes. This specification should not be used for molded rings, compression seals, O-ring cords, and molded in place gaskets for aeronautical and aerospace applications without complete consideration of the end use prior to the selection this material.
Standard

Rubber, Silicone 1200 psi (8.27 MPa), High Modulus 55 - 65

2019-07-26
WIP
AMS3306D
This specification covers a silicone elastomer in the form of sheet, strip, tubing, extrusions, and molded shapes.<p>These products have been used typically as seals from -65 degrees to +225 degrees C (-85 degrees to +437 degrees F), compounded especially for high strength. Silicone rubber is resistant to deterioration by weathering and by high-aniline-point petroleum-base lubricating oil and phosphate ester hydraulic fluid, and remains flexible over the temperature range noted. This material is not normally suitable for use in contact with hydrocarbon-based fuels and low-aniline-point petroleum-base fluids due to excessive swelling of the elastomer, but usage is not limited to such applications. Each application should be considered individually.
Standard

Laboratory Speed Test Procedure for Passenger Car Tires

2019-07-11
WIP
J1561
This SAE Recommended Practice provides a method for testing the speed performance of passenger car tires under controlled conditions in the laboratory on a test wheel. This procedure applies to "standard load," "extra load," and "T-type high-pressure temporary-use spare" passenger tires.
Standard

New and Newly Retreaded Tire Appearance

2019-07-02
CURRENT
ARP6307A
This document is for establishing and addressing anomalies on appearance of new and newly retreaded tires prior to installation on aircraft. It is intended to use cosmetics as well as functionality to make a determination of acceptability. However, if cosmetic appearance is not a requirement, use the inspection criteria from ARP6225. This ARP does not supersede (E)TSO-C62 minimum requirements, including marking requirements.
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