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Standard

Test Method for the Determination of Water Concentration in Polyol Ester and Diester Aerospace Lubricants by Coulometric Karl Fischer Titration
2024-05-17
CURRENT
ARP5991B
The test method describes the procedure for the direct determination of water concentration in polyol ester and diester based aerospace lubricants by commercially available automated coulometric Karl Fischer titration instruments. The method was validated to cover the water concentration range of 150 to 3500 µg/g. The method may also be suitable for the determination of water concentrations outside this range and for other classes of fluids; however, the precision statement shall not be applicable for such uses.
Standard

Vacuum Gauge Calibration
2024-05-17
CURRENT
ARP7446A
This SAE Aerospace Recommended Practice (ARP) addresses the general procedure for the best practices for minimizing uncertainty when calibrating thermal conductivity and cold cathode vacuum gauges, which includes the vacuum sensor(s) and accompanying electronics necessary for a pressure measurement to be made. It also includes the best practices for an in-process verification where limitations make it impossible to follow the best practices for minimizing uncertainty. Verifying the accuracy and operation of vacuum gauges is critical to ensure the maintenance of processes while under vacuum.
Standard

Bearings, Roller, Needle, Airframe, Antifriction, Inch
2024-05-16
WIP
AS39901D
This standard covers the requirements for non-separable, airframe anti-friction needle bearings, corrosion resistant and traditional materials, intended for use in flight vehicle control systems, with radial loads.
Standard

Laser Beam Machining
2024-05-16
WIP
B24AA
This specification covers the engineering requirements for laser beam machining such as cutting and drilling.
Standard

Sheet and Strip Surface Finish Nomenclature
2024-05-16
CURRENT
AS4194B
This SAE Aerospace Standard (AS) defines the nomenclature for surface finishes commonly used for sheet and strip in aerospace material specifications. It is applicable to steel and to iron, nickel, cobalt, and titanium base alloys.
Standard

Reaffirm E 2024 - spring
2024-05-13
WIP
REFIRM-E-S2024
The following document were been proposed by the sponsor or by committee E for Reaffirmation at the Spring meeting 2024.
Standard

Reaffirmation Ballot - F 2024 Spring
2024-05-13
WIP
REFIRM-F-S2024
The following document has been proposed by the sponsor or by committee F for Reaffirmation at the Spring meeting 2024.
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