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National Stock Number:
5855-00-125-0632
Federal Supply Class:
5855
National Item Identification Number:
001250632
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:
| SMB657308 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| FSC APPLICATION DATA | NIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION | | OUTSIDE DIAMETER | 1.870 INCHES NOMINAL | | OVERALL LENGTH | 0.125 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY | | MOUNTING CONFIGURATION | 0.063 IN. DIA HOLES 8 | | SCREW THREAD SERIES DESIGNATOR | UNS | | SPECIAL FEATURES | CHAMFERED | | THREAD CLASS | 2B | | THREAD PITCH DIAMETERS | +1.7340 TO 1.7380 INCHES | | THREAD LENGTH | 0.125 INCHES | | THREAD LOCATION | INTERNAL | | THREAD SIZE | 1 3/4-32 |
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