1290-00-457-0549 GUIDE,TAPE Index 5985-00-457-0556 CIRCULATOR,RADIO FREQUENCY

National Stock Number:
1240-00-457-0550

Federal Supply Class:
1240

National Item Identification Number:
004570550

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:
763283019200US ARMY ARDEC RDECOM


Techincal Specification:
ECCENTRIC CONSTRUCTIONNOT PROVIDED
ACCESSORY COMPONENTS AND QUANTITYRETAINING RING 1
CELL CONTROLLING AGENCYFRANKFORD ARSENAL
CELL IDENTIFYING NUMBER7632831 PART NO.
FSC APPLICATION DATARANGE FINDER,M12
MATERIALALUMINUM ALLOY
OPTICAL ELEMENT CONTROLLING AGENCYFRANKFORD ARSENAL
OPTICAL ELEMENT IDENTIFYING NUMBER7632702 PART NO.
OPTICAL ELEMENT QUANTITY1
OPTICAL ELEMENT TYPECOMPOUND LENS
OVERALL DIAMETER2.373 INCHES MINIMUM AND 2.374 INCHES MAXIMUM
OVERALL LENGTH2.276 INCHES MINIMUM AND 2.281 INCHES MAXIMUM
SCREW THREAD SERIES DESIGNATORUNS
SPECIAL FEATURESCHAMFER 0.015 IN. BY 45 DEG ON BOTH ENDS. TWO 0.104 DIA HOLES SPACED 180 DEG ON PERIPHERY FOR DRIVE FACILITY. ONE NO. 10-32NF-2 AND TWO NO. 5-44NF-2B THD HOLES ON DRIVE END PERIPHERY. THREE NO. 10-32NF-2B THD HOLES ON PERIPHERY OF END OPPOSITE DRIVE END.
THREAD CLASS2B AND 3B
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.204 INCHES AND 1.619 INCHES
THREAD LOCATIONINTERNAL
THREAD SIZE1.812-32 AND 2.125-32


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