4920-00-060-2978 BEARING,SLEEVE Index 6220-00-060-2981 LIGHT,NAVIGATIONAL,AIRCRAFT

National Stock Number:
6220-00-060-2980

Federal Supply Class:
6220

National Item Identification Number:
000602980

Description:
LENS,LIGHT

Detail:
A transparent or translucent item designed to enclose or be placed in front of a light source. Sections of the lens may be opaque. It may or may not include a holder. It is designed to be either a replacement unit for a specific type of light, such as LIGHT, INDICATOR; LIGHT, NAVIGATIONAL, MARINE; STOP LIGHT, VEHICULAR; and LANTERN, ELECTRIC or that portion of a SWITCH, (as modified) used as an actuator and having provisions for illumination. See also, WINDOW, LIGHTING FIXTURE; GLOBE; ELECTRIC LIGHT; and FILTER (2), (as modified).


Manufacturer Information:
30-0068-172914GRIMES AEROSPACE COMPANY
9055845-1096362DAYTON T. BROWN, INC.
9055845-1098752WARNER ROBINS AIR LOGISTICS CENTER


Techincal Specification:
EFFECTIVE DIAMETER2.906 INCHES MINIMUM AND 2.938 INCHES MAXIMUM
COLORGRAY/GREY HOLDER
COLORRED, AVIATION AND CLEAR LENS
FLANGE WIDTH0.671 INCHES MINIMUM AND 0.687 INCHES MAXIMUM
HOLDER SURFACE TREATMENTANODIZE
LIGHT TRANSMISSION DESIGNOPAQUE AND TRANSLUCENT LENS
OVERALL DIAMETER4.281 INCHES NOMINAL
OVERALL HEIGHT0.539 INCHES MINIMUM AND 0.571 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-7989,CL B MIL SPEC SINGLE MATERIAL RESPONSE LENS
MATERIALALUMINUM ALLOY HOLDER
MATERIALGLASS LENS
MOUNTING DEVICE QUANTITY1
MOUNTING METHODFRAME
SPECIAL FEATURESFOUR0.144 IN. DIA MTG HOLES EQUALLY SPACED ON 3.906 IN. DIA CIRCLE
STYLE DESIGNATORCONVEX
SURFACE CONDITIONRIBBED BACK
SURFACE CONDITIONSMOOTH FACE


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