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National Stock Number:
5855-01-431-5253
Federal Supply Class:
5855
National Item Identification Number:
014315253
Description:
RING,RETAINING,OPTICAL ELEMENT
Detail:
A CYLINDRICAL ITEM HAVING AN INTERNALLY FLANGED DIAMETER DESIGNED TO RETAIN A LENS OR WINDOW IN THE OBJECTIVE END, OR A DIOPTER SCALE AT THE VIEWING END OF AN OPTICAL INSTRUMENT. IT MAY HAVE ONE OR MORE OF THE FOLLOWING CHARACTERISTICS: INTERNAL THREAD OR MACHINED FOR A PRESS FIT, METHOD OF SECURING, AND/OR KNURLED PERIPHERY. FOR EXTERNALLY THREADED ITEMS, SEE RETAINER, OPTICAL ELEMENT. EXCLUDES CELL, OPTICAL ELEMENT; NUT, PLAIN KNURLED; NUT, PLAIN ROUND; AND RING, RETAINING.
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Manufacturer Information:
| BSC-A6-1 | 0MTR9 | NORDEX, INCORPORATED | | BSC-A6-1 | 56262 | NORDEX INC |
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Techincal Specification:
| APERTURE DIAMETER | 0.187 INCHES NOMINAL | | INTERNAL FLANGE THICKNESS | 0.063 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING | | PART NAME ASSIGNED BY CONTROLLING AGENCY | PRECISION SHAFT SPACER | | OUTSIDE DIAMETER | 0.250 INCHES NOMINAL | | OVERALL LENGTH | 0.031 INCHES NOMINAL | | SPECIAL FEATURES | SLIDE FIT WITH STANDARD SHAFT |
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