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National Stock Number:
5855-01-325-3380
Federal Supply Class:
5855
National Item Identification Number:
013253380
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-969249 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR | | SM-C-969249 | 96214 | RAYTHEON COMPANY |
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Techincal Specification:
| APERTURE DIAMETER | 0.756 INCHES MINIMUM AND 0.776 INCHES MAXIMUM | | FSC APPLICATION DATA | NIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION | | INTERNAL FLANGE THICKNESS | 0.195 INCHES NOMINAL | | MATERIAL | STEEL COMP 630 | | OUTSIDE DIAMETER | 0.950 INCHES NOMINAL | | OVERALL LENGTH | 0.590 INCHES NOMINAL | | SPECIAL FEATURES | ONE 0.125 IN. DIA HOLE; TWO 0.28 IN. LG TABS |
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