MIL-DTL-26202E
3.6.4.1 Intensity distribution (white lights). When the light is operated at rated current with specified
lamp and all components have reached normal operating temperatures, the intensity distribution shall
be as specified on the applicable MS and in 3.5.8.5.1.
3.6.4.2 Chromaticity. When the light is operated at rated current and all components have reached
normal operating temperature, there shall be no leakage of light past the filters or the stray light
shields.
3.7 Screw threads. All screw threads shall be a class 2 fit in accordance with FED-STD-H28.
3.8 Interchangeability. All parts functionally and dimensionally interchangeable shall be identified by
one part number.
3.9 Identification of product. All lights shall be marked for identification in accordance with MIL-STD-130,
except that the serial number need not be included.
3.10 Workmanship. The light, including all parts and accessories, shall be fabricated and finished in
a thoroughly workmanlike manner. Particular attention shall be given to freedom from blemishes,
burrs, sharp edges or corners, marking of parts and assemblies, thoroughness of soldering, welding,
brazing, painting, wiring, riveting, alignment of parts, and tightness of assembly screws and bolts.
3.10.1 Cleaning. The light shall be thoroughly cleaned, and loose, spattered or excess solder, metal
chips, and other foreign material removed during and after final assembly.
4. VERIFICATION
4.1 Classification of inspections. The inspections specified herein are classified as follows:
(a) Qualification inspection (4.2)
(b) Conformance inspection (4.3)
4.2 Qualification inspection.
4.2.1 Sampling instructions. The qualification tests samples shall consist of two lights of each
manufacturers part number upon which qualification is desired, together with specified lamps, filters
and installation instructions. Sample lights of classes B3 and BB3 shall be equipped with blue filters,
and all other samples shall be equipped with green filters. The green and blue filters shall be
installed during the 24 hour operation test. Unless otherwise specified (see 6.2), samples which have
been subjected to qualification tests shall be identified and retained by the manufacturer.
4.2.2 Qualification tests. Qualification tests shall consist of the examinations and tests specified in
4.4 and 4.5, except 4.5.9, 4.5.10, 4.5.11, 4.5.12, and 4.5.13. The tests specified in 4.5.9, 4.5.10,
4.5.11, and 4.5.12 shall be performed as part of the qualification tests only when specified by the
activity responsible for qualification.
4.2.3 Test report. Upon completion of the qualification tests, a test report shall be prepared (see 6.5)
and five complete copies of the report shall be furnished to the activity responsible for qualification.
4.3 Conformance inspection. Conformance inspection shall consist of individual and sampling tests.
4.3.1 Individual test. Each light shall be subjected to examination of product as specified in 4.4.1.
4.3.2 Sampling tests. One light shall be selected at random from each 100, or fraction thereof
produced, and shall be subjected to the assembly and operation test specified in 4.5.1.
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