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Standard

Plating, Tin-Lead (Electrodeposited)

2023-05-24
CURRENT
AMSP81728C
This specification covers the requirements for electrodeposited tin-lead plating intended for use as a coating for corrosion protection and as a base for soldering.
Standard

Peening Media Ceramic Shot

2021-12-01
CURRENT
AMS2431/7C
The complete requirements for procuring the product shall consist of this document and the latest issue of the basic specification, AMS2431.
Standard

Vacuum Investment Cast PH13-8Mo Corrosion Resistant Steel

2020-06-01
CURRENT
AIR4394A
An industry-wide interest has arisen with regards to the properties and capabilities of investment cast PH 13-8Mo corrosion resistant steel. Specifically of interest are the structural applications in the aerospace industry for this product heat treated to the H1000 condition. The objective of this AMEC cooperative test program was to generate and compile useful data for aerospace structural evaluation of investment cast PH 13-8Mo heat treated to H1000. The focus of the test program was the determination of overall mechanical properties, fatigue, fracture toughness, and crack growth data along with basic microstructural evaluation of the investment cast material. Additional objectives included the evaluation of mechanical property variations between cast and machined tensile specimens and evaluation of microstructural constituents. All testing was performed to determine the suitability of PH 13-8Mo, H1000 investment castings for use in the aerospace industry.
Standard

Molybdenum Disulfide, Technical, Lubrication Grade

2017-09-22
CURRENT
AMSM7866B
This specification covers the requirements for procurement of one grade of powdered molybendum disulfide to be used in lubricants and greases for surfaces where boundary conditions exist.
Standard

Instrumental Methods of Determining Surface Cleanliness

2017-09-20
CURRENT
ARP4252B
This Aerospace Recommended Practice is intended as a guide toward standard practices for the determination of surface cleanliness that are applicable to field operation. Some of these methods can also be used to determine quality assurance that a surface has been properly prepared and maintained. The instrumental methods are: Wettability, Surface Potential Difference (SPD), Ellipsometry, and Optically Stimulated Electron Emission (OSEE). Each instrument is described with respect to measurement techniques, limitations, and advantages and types of available instruments. Elementary theoretical principles and examples of the use of each instrument are also given.
Standard

Instrumental Methods of Determining Surface Cleanliness

2017-01-04
HISTORICAL
ARP4252A
This Aerospace Recommended Practice is intended as a guide toward standard practices for the determination of surface cleanliness that are applicable to field operation. Some of these methods can also be used to determine quality assurance that a surface has been properly prepared and maintained. The instrumental methods are: Wettability, Surface Potential Difference (SPD), Ellipsometry, and Optically Stimulated Electron Emission (OSEE). Each instrument is described with respect to measurement techniques, limitations, and advantages and types of available instruments. Elementary theoretical principles and examples of the use of each instrument are also given.
Standard

Plating, Tin-Lead (Electrodeposited)

2015-12-04
HISTORICAL
AMSP81728B
This specification covers the requirements for electrodeposited tin-lead plating intended for use as a coating for corrosion protection and as a base for soldering.
Standard

Coating, Cadmium (Vacuum Deposited)

2015-10-22
CURRENT
AMSC8837A
This specification covers the requirements for three types and three classes for vacuum deposited cadmium coating.
Standard

Peening Media Ceramic Shot

2013-02-07
HISTORICAL
AMS2431/7B
The complete requirements for procuring the product shall consist of this document and the latest issue of the basic specification, AMS2431.
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