5325-01-057-1854 RING,RETAINING Index 3415-01-057-1856 GRINDING MACHINE,DRILL

National Stock Number:
1240-01-057-1855

Federal Supply Class:
1240

National Item Identification Number:
010571855

Description:
CELL ASSEMBLY,OPTICAL INSTRUMENT

Detail:
AN ITEM CONSISTING OF A CELL, OPTICAL ELEMENT IN WHICH IS SECURED ONE OR MORE OPTICAL ELEMENTS, SUCH AS LENSES, RETICLES, FILTERS, WINDOWS, AND THE LIKE. MAY INCLUDE RETAINING RINGS, SPACERS, AND/OR SEPARATORS. FOR ITEMS WITH FOCUSING FACILITIES AND/OR A DIOPTER SCALE, SEE EYEPIECE ASSEMBLY, OPTICAL INSTRUMENT.


Manufacturer Information:
1226652319207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
6695-42411871RECON/OPTICAL, INC.
6695-42480294BOURNS INSTRUMENTS INC


Techincal Specification:
ECCENTRIC CONSTRUCTIONNOT PROVIDED
OPTICAL ELEMENT CONTROLLING AGENCYDA
OPTICAL ELEMENT IDENTIFYING NUMBER6695-421 PART NO.
OPTICAL ELEMENT QUANTITY1
OPTICAL ELEMENT TYPEOPTICAL GLASS WINDOW
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-601, ALLOY 356, T6 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 356.0
SCREW THREAD SERIES DESIGNATORUNS
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.376 INCHES AND 2.500 INCHES
THREAD LOCATIONINTERNAL AND EXTERNAL
THREAD SIZE5.031-20 AND 5.187-20


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