MIL-DTL-16377 Fixtures, Lighting; And Associated Parts; Shipboard Use, General Specification ForThis specification covers fluorescent, incandescent lighting and solid state lighting \(SSL\) \(see 6.12.4\) luminaires and associated parts for legacy replacement and new luminaire development fixtures \(lights\) and associated parts, used for detail and general illumination on naval ships and submarines.

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MIL-DTL-16377J(SH)

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3.6.13.1 Electrical circuits. ...........................................................................................................................12

3.6.13.2 Exposed metal (or other conductive) parts. ....................................................................................12

3.6.13.3 Ground connection. ........................................................................................................................13

3.6.13.4 Continuity of grounding. ................................................................................................................13

3.6.13.5 Portable fixtures. ............................................................................................................................13

3.6.14 Electromagnetic interference (type I and type III only). ........................................................................13

3.6.15 Dielectric withstanding voltage. .............................................................................................................13

3.6.16 Insulating resistance. ..............................................................................................................................13

3.6.17 Fail-safe circuit design for type III luminaires. ......................................................................................13

3.6.18 Power interface requirements. ................................................................................................................13

3.6.18.1 Total harmonic distortion for type I and type III fixtures. ..............................................................13

3.6.18.2 Voltage transient spike for type I and type III fixtures. ..................................................................13

3.6.19 Class 2 emergency light fixtures. ...........................................................................................................13

3.6.19.1 Class 2 emergency light fixture output life.....................................................................................13

3.6.19.2 Class 2 emergency light fixture battery. .........................................................................................13

3.6.19.3 Class 2 emergency light fixture charging system. ..........................................................................13

3.7 Light output and associated hardware. .............................................................................................................14

3.7.1 Candlepower distribution for fixtures. .....................................................................................................14

3.7.1.1 Lumen output for emergency class 2 lighting. .................................................................................14

3.7.2 Footcandle distribution for fixtures. .........................................................................................................14

3.7.3 Color (chromaticity) and luminous transmittance for parts. .....................................................................14

3.7.3.1 Red transparent.................................................................................................................................14

3.7.3.2 Yellow transparent. ..........................................................................................................................14

3.7.3.3 Green transparent. ............................................................................................................................14

3.7.3.4 Blue transparent................................................................................................................................14

3.7.3.5 White translucent..............................................................................................................................14

3.7.3.6 Red translucent. ................................................................................................................................15

3.7.3.7 Clear (colorless) transparent. ............................................................................................................15

3.7.4 Chromaticity for type III luminaires. .......................................................................................................15

3.7.4.1 White light. .......................................................................................................................................15

3.7.4.1.2 Color rendering index (CRI). ....................................................................................................15

3.7.4.2 Red light. ..........................................................................................................................................15

3.7.4.3 Amber (yellow) light. .......................................................................................................................15

3.7.4.4 Blue light. .........................................................................................................................................15

3.7.4.5 Night vision device (NVD) friendly cyan light. ...............................................................................16

3.7.4.5.1 Night vision radiant intensity....................................................................................................16

3.7.5 Brightness for type III luminaires. ...........................................................................................................16

3.7.5.1 Brightness at nadir. ...........................................................................................................................16

3.7.5.2 Brightness at angle. ..........................................................................................................................16

3.7.5.3 Local brightness. ..............................................................................................................................16

3.7.6 Windows and window assemblies............................................................................................................16

3.7.6.1 Windows and window assemblies for type I fixtures. ......................................................................16

3.7.6.1.1 Material for windows................................................................................................................16

3.7.6.1.1.1 Optical uniformity.............................................................................................................16

3.7.6.1.1.2 Corners. .............................................................................................................................16

3.7.6.1.2 Louver assembly. ......................................................................................................................16

3.7.6.1.2.1 Material. ............................................................................................................................16

3.7.6.1.2.2 Attachment to window. .....................................................................................................16

3.7.6.1.2.3 Louver grounding..............................................................................................................16

3.7.6.1.3 Window securing screw assemblies. ........................................................................................17

3.7.6.1.4 Notches. ....................................................................................................................................17

3.7.6.2 Windows and window assemblies for type III luminaires. ...............................................................17

3.7.6.2.1 Material for windows................................................................................................................17

3.7.6.2.1.1 Optical uniformity.............................................................................................................17