| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 3020-00-517-0618
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 005170618
 
 Description:
 GEAR,HELICAL
 
 Detail:
 A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:
 |  
		                        | 
 Manufacturer Information:
 
 | 2273 | 79575 | WICO-PRESTOLITE CO THE DIV OF ELTRA CORP |  | 4221 | 0ATF2 | L & L BOILER MAINTENANCE INC |  | 609028 | 0EXU3 | AQUA-CHEM, INC. |  | 609028 | 12793 | AQUA-CHEM INC CLEAVER-BROOKS DIV |  | 4221 | 54108 | D & J PARTS INC |  | D142 | 7PZX0 | FAIRBANKS MORSE, LLC |  | GD87B | 66289 | WISCONSIN MOTORS LLC |  | WPP194 | 79172 | SIEMENS WATER TECHNOLOGIES CORP. DIV WALLACE & TIERNAN PRODUCTS |  | WPP57 | 79172 | SIEMENS WATER TECHNOLOGIES CORP. DIV WALLACE & TIERNAN PRODUCTS |  | GD87B | 7PZX0 | FAIRBANKS MORSE, LLC |  | GD87B | 82796 | COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE |  | D142 | 82796 | COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE | 
 |  
					            | 
 Techincal Specification:
 
 | BODY STYLE | PLAIN, SOLID |  | BORE NOMINAL DIAMETER | 0.625 INCHES COUNTER BORE SECOND END |  | BORE STYLE | W/COUNTERBORE COUNTER BORE SECOND END |  | COUNTERBORE NOMINAL DIAMETER | 1.250 INCHES COUNTER BORE SECOND END |  | COUNTERBORE NOMINAL DEPTH | 0.052 INCHES COUNTER BORE SECOND END |  | END NOMINAL DIAMETER | 1.000 INCHES FIRST END |  | END NOMINAL LENGTH | 0.031 INCHES FIRST END |  | FACE NOMINAL WIDTH | 0.375 INCHES |  | FIRST STEP NOMINAL DIAMETER | 1.688 INCHES FIRST END |  | FIRST STEP NOMINAL LENGTH | 0.145 INCHES FIRST END |  | HELIX ANGLE | 27.2667 DEGREES |  | HUB STYLE DESIGNATOR | 1 STEP FIRST END |  | MATERIAL DOCUMENT AND CLASSIFICATION | AISI C1113 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | STEEL COMP 1213 OVERALL |  | PITCH DIAMETER | 2.0585 INCHES NOMINAL |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.176 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 2.223 INCHES |  | PRESSURE ANGLE | 14.5000 DEGREES |  | SPECIAL FEATURES | LETTER I STAMPED ON 1ST END 2 DEG FROM GROOVE CENTER LINE CW,GROOVE 0.250 IN. MIN 0.253 IN. MAX W,0.171 IN. MIN 0.181 IN. MAX DEEP ON FACE OF HUB |  | STYLE DESIGNATOR | PROTRUDING HUB |  | TEETH QUANTITY | 22 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH DIRECTION | RIGHT |  | TOOTH FORM | STANDARD | 
 |  |