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National Stock Number:
5855-01-467-0128
Federal Supply Class:
5855
National Item Identification Number:
014670128
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:
| A3144321 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| DRIVE TYPE | SLOTTED DRIVE ON PERIPHERY | | INTERNAL FLANGE THICKNESS | 0.040 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.450 INCHES NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | LOCKNUT | | MATERIAL | PLASTIC | | SCREW THREAD SERIES DESIGNATOR | UNS | | SPECIAL FEATURES | MATTE FINISH; MATERIAL-THERMOPLASTIC RESIN. NEXT HIGHER ASSEMBLY DEPENDS UPON EQUIPMENT BEING REPAIRED AS FOLLOWS: 1. AN/PVS-5C (NSN 5855-01-228-0936): ORDER 6650-01-331-8502; 2. AN/PVS-7B (NSN 5855-01-228-0937): ORDER 5855-01-246-6807; 3. AN/PVS-7D (NSN 5855-01-422-5413): ORDER 5855-01-246-6807; 4. AN/PVS-14 (NSN 5855-01-432-0524): ORDER 6650-01-444-1212 | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2B | | THREAD LENGTH | 0.313 INCHES | | THREAD LOCATION | INTERNAL | | THREAD PITCH DIAMETERS | +1.2780 TO 1.3125 INCHES | | THREAD SIZE | 1 5/16-32 |
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