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Standard

Surface Texture, Roughness, Waviness and Lay

2006-05-04
HISTORICAL
AS291E
This standard provides a method of applying surface roughness, waviness and lay control. The data included herein also covers the method of applying surface roughness symbols and related designations to drawings and specifications of parts when applicable. This standard is based on the Arithmetical Average (AA) method of instrumentation. Data compiled are based on current manufacturing practices. It also includes a summary of data published in the latest issue of the American Standards Association publication ASA B46.1.
Standard

Surface Texture, Roughness, Waviness and Lay

2014-09-05
CURRENT
AS291F
This standard provides a method of applying surface roughness, waviness and lay control. The data included herein also covers the method of applying surface roughness symbols and related designations to drawings and specifications of parts when applicable. This standard is based on the Arithmetical Average (AA) method of instrumentation. Data compiled are based on current manufacturing practices. It also includes a summary of data published in the latest issue of the American Standards Association publication ASA B46.1.
Standard

Surface Finish (RMS)

2006-05-04
HISTORICAL
AS107D
This standard provides a method for the application of surface finish control primarily to aircraft engine and propeller parts. Recommendations for a Surface Roughness Standard are contained in A.S.A. publication B46 and this S.A.E. Aeronautical Standard contains a summary of information therein plus other information which has been compiled from current manufacturing practice.
Standard

Surface Finish (RMS)

2013-01-04
CURRENT
AS107E
This standard provides a method for the application of surface finish control primarily to aircraft engine and propeller parts. Recommendations for a Surface Roughness Standard are contained in A.S.A. publication B46 and this S.A.E. Aeronautical Standard contains a summary of information therein plus other information which has been compiled from current manufacturing practice.
Standard

Splines, Involute (Full Fillet)

2004-07-23
HISTORICAL
AS84C
This SAE Aerospace Standard (AS) defines an involute with a 30° pressure angle and a full radius at the roots thus reducing the stress concentration in the area of the root.
Standard

Spacers and Washers, Procurement Specification for, Metric

2024-02-28
WIP
MA1784B
This specification covers metric aircraft quality spacers for use as positioners for tubes, flat washers for use as load spreaders, galling protection of adjacent surfaces and or material compatibility, and key or tab washers for use as locks for bolts, nuts, and screws.
Standard

Screw Threads, Metric Buttress - MJB Profile

2019-01-03
CURRENT
MA1696B
This standard establishes the basic triangular profile for the MJB thread form, the design profiles, standard pitches, tolerance classes, formulae for tolerances and dimensions, tolerance tables, and a system of designations. Because of the specialized application for buttress threads, no preferred diameter-pitch series have been established for this standard and each application will require use of the thread formulae for dimensions and related tolerances given herein for deriving the thread dimensional requirements.
Standard

Screw Threads, Metric Buttress - MJB Profile

2012-11-08
HISTORICAL
MA1696A
This standard establishes the basic triangular profile for the MJB thread form, the design profiles, standard pitches, tolerance classes, formulae for tolerances and dimensions, tolerance tables, and a system of designations. Because of the specialized application for buttress threads, no preferred diameter-pitch series have been established for this standard and each application will require use of the thread formulae for dimensions and related tolerances given herein for deriving the thread dimensional requirements.
Standard

Screw Threads - MJ Profile, Metric

2024-04-01
CURRENT
MA1370A
This standard specifies the characteristics of the MJ profile metric series of screw threads, altered from ISO 68 M Profile, to include a mandatory controlled radius of 0.18042P to 0.15011P at the root of the external thread and with the minor diameter of both external and internal threads increased to provide a basic thread height of 0.5625H in order to accommodate the external thread maximum root radius.
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