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National Stock Number:
1240-01-154-9895
Federal Supply Class:
1240
National Item Identification Number:
011549895
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:
| 5049933 | 0RMF7 | BRIGHT LIGHTS USA, INC | | 5049933 | 11934 | SEILER INSTRUMENT AND MANUFACTURING COMPANY, INCORPORATED | | 5049933 | 19200 | US ARMY ARDEC RDECOM | | 5049933 | 1CA31 | EDS ORDNANCE INC | | 5049933 | 2S308 | FREEHOLD MANUFACTURING ASSEMBLY COMPANY, INC. | | 5049933 | 50481 | L. W. SCHNEIDER, INC | | 5049933 | 84027 | AIW-ALTON INC |
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Techincal Specification:
| APERTURE DIAMETER | 1.031 INCHES NOMINAL | | INTERNAL FLANGE THICKNESS | 0.050 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.640 INCHES NOMINAL | | OVERALL LENGTH | 0.128 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626, COMP 360, 1/2 H FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | COPPER ALLOY 360 | | SPECIAL FEATURES | ENAMEL BLACK 0.500 LG ON PERIPHERY EXCEPT TRIANGLE NOTCH 0.0625 W X 0.015 DEEP FILLED WITH WHITE ENAMEL | | SURFACE TREATMENT | ENAMEL |
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