NSN 1240-00-159-0513

Part Details | OPTICAL ELEMENT CELL

1240-00-159-0513 A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.

Alternate Parts: 265606, 654768, 1240-00-159-0513, 00-159-0513, 1240001590513, 001590513

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JAN 01, 196300-159-051321859 ( CELL, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-159-0513
Part Number Cage Code Manufacturer
26560656232LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
65476810001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 1240-00-159-0513
Characteristic Specifications
MATERIAL ALUMINUM ALLOY
THREAD LOCATION EXTERNAL AND INTERNAL
THREAD SIZEA1 3/4-32$$A1 1/2-32
SCREW THREAD SERIES DESIGNATOR UNS AND UNS
THREAD CLASSA2A$$A2B
THREAD LENGTH0.563 INCHES AND 0.343 INCHES
THREAD DIRECTION RIGHT-HAND AND RIGHT-HAND
ECCENTRIC CONSTRUCTION NOT PROVIDED
CHAMFER LOCATION DRIVE END
DRIVE TYPE SLOTTED FACE
ELEMENT SECURING METHOD INTERNAL THREAD
OVERALL LENGTH0.968 INCHES NOMINAL
OVERALL DIAMETER1.750 INCHES NOMINAL
END ITEM IDENTIFICATIONGUN SIGHT MK29 MOD1