NPFC - MIL-C-7989
COVERS, LIGHT-TRANSMITTING, FOR AERONAUTICAL LIGHTS, GENERAL SPECIFICATION FOR
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| Organization: | NPFC |
| Publication Date: | 8 March 1971 |
| Status: | inactive |
| Page Count: | 7 |
scope:
This specification covers light-transmitting covers for Aeronautical use.
Covers shall be furnished in the following classes, as specified:
Class A - Annealed Glass (Nonheat Resistant) Class B - Heat-Resistant Glass Class C - High-Impact Strength Glass Class D - Plastic
intended Use:
The light-transmitting covers covered by this specification are intended for use as follows:
a. Class covers. In light assemblies where weight and heat resistance are not important... View More
Document History
June 1, 2021
COVERS, LIGHT – TRANSMITTING, FOR AERONAUTICAL LIGHTS, GENERAL SPECIFICATION FOR
The light-transmitting covers covered by this specification are intended for use as follows:
a. Class A covers.
In light assemblies where weight and heat resistance are not important factors.
b....
June 1, 2021
COVERS, LIGHT – TRANSMITTING, FOR AERONAUTICAL LIGHTS, GENERAL SPECIFICATION FOR
A description is not available for this item.
September 12, 2011
Covers, Light-Transmitting, for Aeronautical Lights, General Specification for
A description is not available for this item.
September 25, 2006
COVERS, LIGHT-TRANSMITTING, FOR AERONAUTICAL LIGHTS, GENERAL SPECIFICATION FOR
The light-transmitting covers covered by this specification are intended for use as follows:
a. Class A covers. In light assemblies where weight and heat resistance are not important factors.
b....
September 25, 2006
COVERS, LIGHT-TRANSMITTING, FOR AERONAUTICAL LIGHTS, GENERAL SPECIFICATION FOR
A description is not available for this item.
June 11, 1999
COVERS, LIGHT-TRANSMITTING, FOR AERONAUTICAL LIGHTS, GENERAL SPECIFICATION FOR
A description is not available for this item.
March 15, 1991
COVERS, LIGHT-TRANSMITTING, FOR AERONAUTICAL LIGHTS, GENERAL SPECIFICATION FOR
A description is not available for this item.
September 8, 1982
COVERS, LIGHT-TRANSMITTING, FOR AERONAUTICAL LIGHTS, GENERAL SPECIFICATION FOR
A description is not available for this item.
September 8, 1982
COVERS, LIGHT-TRANSMITTING, FOR AERONAUTICAL LIGHTS, GENERAL SPECIFICATION FOR
A description is not available for this item.
September 30, 1975
COVERS, LIGHT-TRANSMITTING, FOR AERONAUTICAL LIGHTS, GENERAL SPECIFICATION FOR
A description is not available for this item.
MIL-C-7989
March 8, 1971
COVERS, LIGHT-TRANSMITTING, FOR AERONAUTICAL LIGHTS, GENERAL SPECIFICATION FOR
The light-transmitting covers covered by this specification are intended for use as follows:
a. Class covers. In light assemblies where weight and heat resistance are not important factors.
b....
January 6, 1959
COVERS, LIGHT-TRANSMITTING, FOR AERONAUTICAL LIGHTS, GENERAL SPECIFICATION FOR
The lighbtransrnittirg covers covered by this specification are intended for use as follows:
(a) Class A coziem. In light assemblies where weight and heat resistance are not important factors.
(b)...