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Standard

Acoustical Considerations for Aircraft Environmental Control System Design

1989-07-01
HISTORICAL
AIR1826
This Aerospace Information Report (AIR) is limited in scope to the general consideration of environmental control system noise and its effect on occupant comfort. Additional information on the control of environmental control system noise may be found in the bibliography and in the documents referenced throughout the text. This document does not contain sufficient direction and detail to accomplish effective and complete acoustic designs.
Standard

TOLUENE, INDUSTRIAL GRADE

1989-07-01
HISTORICAL
AMS3180E
This specification covers, industrial-grade toluene in the form of a liquid.
Standard

Magnetic Particles, Fluorescent, Wet Method, Oil Vehicle Ready-to-Use

1989-07-01
HISTORICAL
AMS3045B
This specification covers fluorescent magnetic particles in the form of a mixed, ready to use suspension in an odorless inspection oil vehicle. These particles have been used typically as the inspection medium in a wet method, magnetic inspection system as defined in ASTM E 1444, but usage is not limited to such application.
Standard

Fluid, Jet Reference

1989-07-01
HISTORICAL
AMS2629
This specification covers a mixture of liquid hydrocarbons and soluble additives. To provide a standard composition, simulating aviation jet engine fuel. This fluid has been used typically in laboratory tests involving compatibility and interaction with aircraft materials, but usage is not limited to such applications.
Standard

Nickel Alloy, Brazing Filler Metal, 92Ni 4.5Si 3.1B, 980 to 1040°C Solidus-Liquidus Range

1989-07-01
HISTORICAL
MAM4778
This specification covers a nickel alloy in the form of wire, rod, strip, foil, and powder and a viscous mixture (paste) of the powder in a suitable binder and procured in metric units. AMS 4778 is the inch/pound version of this MAM. This filler metal has been used typically for joining corrosion and heat resistant steels and alloys requiring corrosion and oxidation resistant joints with good strength at elevated temperatures, but usage is not limited to such applications. Also may be used as a corrosion and oxidation resistant hard coating.
Standard

Steel, Corrosion and Heat Resistant, Bars, Wire, Forgings and Tubing 15Cr 25.5Ni 1.2Mo 2.1Ti 0.006B 0.30V, Consumable Electrode Melted, 1650°F (899°C), Solution and Precipitation Heat Treated

1989-07-01
HISTORICAL
AMS5737L
This specification covers a corrosion and heat resistant steel in the form of bars, wire, forgings, mechanical tubing, and stock for forging or heading. These products have been used typically for parts, such as turbine rotors, shafts, blades, vanes, dowels, flanges, and fittings, requiring moderate strength up to 1300 degrees F (704 degrees C) and oxidation resistance up to 1500 degrees F (816 degrees C), but usage is not limited to such applications.
Standard

Rings, Sealing, Butadiene-Acrylonitrile (Nbr) Rubber Oil Resistant 65-75

1989-07-01
HISTORICAL
AMS7274F
This specification covers a butadiene-acrylonitrile (NBR) rubber in the form of molded rings. These rings have been used typically for sealing at temperatures as low as -55 degrees C (-67 degrees F) where resistance to hot petroleum-base lubricating oil is required, but usage is not limited to such applications.
Standard

INSTRUMENTAL METHODS OF DETERMINING SURFACE CLEANLINESS

1989-07-01
HISTORICAL
ARP4252
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.
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