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National Stock Number:
5855-01-360-4656
Federal Supply Class:
5855
National Item Identification Number:
013604656
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:
| SM-C-773427 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| FSC APPLICATION DATA | NIGHT VISION EQUIP.,EMITTED AND REFLECTED RADIATION | | GROOVE DIAMETER | 0.061 INCHES MINIMUM AND 0.062 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY | | SPECIAL FEATURES | GEAR TEETH | | SPECIAL TEST FEATURES | DRAWING IAW MIL-STD-100A; FINISH IAW MIL-F-14072; COLOR IAW FED-STD-595; PART IAW MIL-M-13231 | | SUPPLEMENTARY FEATURES | 2 GROOVES EQUALLY SPACED TO FORM A DOUBLE START HELIX OF 4 TURNS PER INCH |
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