NSN 6650-01-171-2838

Part Details | OPTICAL ELEMENT SPACER

6650-01-171-2838 A tubular shaped item designed to maintain a predetermined distance between optical elements, such as lenses, reticles, and the like. The bore may be straight, tapered or counterbored, and may have annular serrations to converge or diverge light rays. The surfaces, which mate with the optics, are usually chamfered, concave, and/or have a specified finish designation in the range of 1 to 125 microinches arithmetical average (AA). See also SPACER, SLEEVE and CELL, OPTICAL ELEMENT.

Alternate Parts: 13074813, 13074813, 6650-01-171-2838, 01-171-2838, 6650011712838, 011712838

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66FEB 04, 198401-171-283822261 ( SPACER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

SPACER

Cross Reference | NSN 6650-01-171-2838
Part Number Cage Code Manufacturer
1307481304939LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
1307481358260PROGRAM MANAGER ADVANCED ATTACKHELICOPTER BARCOM AMCPM-AAH
Technical Data | NSN 6650-01-171-2838
Characteristic Specifications
MATERIAL STEEL COMP 416
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582,TYPE 416 ASSN STD SINGLE MATERIAL RESPONSE
STYLE DESIGNATOR SPACER
OVERALL LENGTH0.182 INCHES MINIMUM AND 0.183 INCHES MAXIMUM
STRAIGHT BORE INSIDE DIAMETER1.700 INCHES NOMINAL
STRAIGHT BORE DEPTH0.085 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.799 INCHES MAXIMUM
TAPER ANGLE28.5 DEGREES NOMINAL