MIL-DTL-23351B
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.)
6.1 Intended use. Waveguide covered by this specification are intended for use as transmission lines in military
services radio and electronic equipment.
6.2 Acquisition requirements. Acquisition documents must specify the following:
a. Title, number, and date of this specification.
b. The complete part number (see 3.1 and 6.4).
c. Stock lengths or specific lengths of waveguide required (see 3.3.2).
d. Special methods or increased frequency of checking surface roughness (see 4.6.5).
6.3 Definitions. For the purpose of this specification, the following definition shall apply:
6.3.1 Eccentricity. Eccentricity is the maximum deviation of the wall thickness at any cross section from the mean
wall thickness at that cross section.
6.3.2 Specific length. A waveguide furnished to a specified exact dimension, intended for end use in an
application that requires a certain length.
6.3.3 Stock length. A waveguide furnished to a nominal length, intended for and use in an application that may
require the waveguide to be cut into smaller pieces.
6.3.4 Ends. A section of waveguide resulting from cutting a manufactured piece of waveguide into stock lengths.
6.4 Part or identification number (PIN). The (PIN) must be as follows:
M
23351/1
-
001
-
096
Military
Specification
Arbitrary
Length
designator
sheet number
dash number
in inches
(see 3.1)
(see 3.3.2)
6.5 Environmentally preferable material. Environmentally preferable materials should be used to the maximum
extent possible that the material meets or exceeds the operational and maintenance requirements, and promotes
economically advantageous life cycle costs. Table VIII lists the Environmental Protection Agency (EPA) top
seventeen hazardous materials targeted for major usage reduction. If any of these hazardous materials are required,
it is recommended that it be used only when other materials cannot meet performance requirements.
TABLE VIII. EPA top seventeen hazardous materials.
Benzene
Methyl Ethyl Ketone
Cadmium and Compounds
Methyl Isobutyl Ketone
Carbon Tetrachloride
Nickel and Compounds
Chloroform
Tetrachloroethylene
Chromium and Compounds
Toluene
Cyanide and Compounds
1,1,1 - Trichloroethane
Dichloromethane
Trichloroethylene
Lead and Compounds
Xylenes
Mercury and Compounds
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