NSN 5855-01-045-5497

Part Details | OPTICAL ELEMENT RETAINING RING

5855-01-045-5497 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.

Alternate Parts: A11083, SMD850133, SM-D-850133, SMD850133, SM-D-850133, SMD850133, SM-D-850133, 5855-01-045-5497, 01-045-5497, 5855010455497, 010455497

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
58AUG 04, 197701-045-549722585 ( RING, RETAINING, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5855-01-045-5497
Part Number Cage Code Manufacturer
A1108305584AUTODYNE MANUFACTURING CO., INC.
SM-D-8501330RMF7BRIGHT LIGHTS USA, INC.DBA BLUSA DEFENSE MANUFACTURING
SM-D-85013327777L3 TECHNOLOGIES, INC.DBA INSIGHT TECHNOLOGY DIVISION
SM-D-85013380063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 5855-01-045-5497
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 6061
THREAD LOCATION EXTERNAL
THREAD SIZE5 1/2-32
SCREW THREAD SERIES DESIGNATOR UNS
THREAD CLASS2A
THREAD PITCH DIAMETERS+5.4735 TO +5.4783 INCHES
THREAD LENGTH0.305 INCHES
OVERALL LENGTH0.750 INCHES NOMINAL
OUTSIDE DIAMETER5.640 INCHES NOMINAL
MOUNTING CONFIGURATION0.125 IN. DIA HOLES 3
SPECIAL FEATURESCHAMFERED
FSC APPLICATION DATANIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION
END ITEM IDENTIFICATIONNIGHT VISION SIGHT ASSEMBLY SU-87/PVS-4