NPFC - MIL-F-21241
Filters, Color Finished (for Optical Instruments)
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| Organization: | NPFC |
| Publication Date: | 21 January 2021 |
| Status: | active |
| Page Count: | 1 |
Document History
March 8, 2022
FILTERS, COLOR, FINISHED (FOR OPTICAL INSTRUMENTS)
A description is not available for this item.
MIL-F-21241
January 21, 2021
Filters, Color Finished (for Optical Instruments)
A description is not available for this item.
May 9, 1996
FILTERS, COLOR, FINISHED (FOR OPTICAL INSTRUMENTS)
A description is not available for this item.
May 1, 1985
FILTERS, COLOR, FINISHED (FOR OPTICAL INSTRUMENTS)
A description is not available for this item.
March 29, 1985
FILTERS, COLOR, FINISHED (FOR OPTICAL INSTRUMENTS)
A description is not available for this item.
December 4, 1958
FILTERS, COLOR, FINISHED (FOR OPTICAL INSTRUMENTS)
This specification covers finished color filters for use in optical instruments. It is not intended to cover polarizing filters.
Filters shall be of the following types, colors, and grades, as...