6645-01-284-1157 TIMER,SEQUENTIAL Index 4210-01-284-1159 BROMOCHLORODIFLUOROMETHANE,TECHN

National Stock Number:
6650-01-284-1158

Federal Supply Class:
6650

National Item Identification Number:
012841158

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.


Manufacturer Information:
552587053711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
OUTSIDE DIAMETER1.094 INCHES NOMINAL
MATERIALCOPPER ALLOY
SPECIAL FEATURES125 MICROINCH SURFACE FINISH
SCREW THREAD SERIES DESIGNATORUNS
THREAD CLASS3A
THREAD PITCH DIAMETERS+1.0706 TO 1.0734 INCHES
THREAD LENGTH0.200 INCHES
THREAD LOCATIONEXTERNAL
THREAD SIZE1 15/16-32


Click here to Register for Free 30-day Trial