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HELICAL 170-230-5 PARTS & HARDWARE 

DESCRIPTION .........................................................................................  QTY 

HELIX & BOOM ASSEMBLY ................................................................... 1 
FEED BLOCK ASSEMBLY ...................................................................... 1 
FEED SUPPORT BLOCK ........................................................................ 1 
GROUND PLANE CENTER .....................................................................  1 
GROUND PLANE HALF .......................................................................... 2 
G-PLANE CLAMP (R. 0.750) ................................................................... 1 
LD CRADLE. 1.5” .....................................................................................  1 
BOOM TO MAST PLATE, 3/16” X 4” X 6”, (M2APT0022) ........................ 1 
FEED CAPACITOR ASSEMBLY (FACTORY TUNED) ............................ 1 
COUNTER BALANCE WEIGHT .............................................................. 2 
U-BOLT & CRADLE, 2.0” ......................................................................... 2 
U-BOLT & CRADLE, 1.5” ......................................................................... 2 
ASSEMBLY MANUAL .............................................................................. 1 
 

HARDWARE: 

LOCKWASHER, 5/16”, SS .......................................................................  8 
NUT, 5/16-18, SS ..................................................................................... 8 
BOLT, 1/4-20 X 4-1/2”, SS ....................................................................... 2 
BOLT, 1/4-20 X 2-3/4”, SS ....................................................................... 2 
BOLT,1/4-20 X 1-1/4”, SS ........................................................................ 2 
BOLT, 1/4-20 X 3/4”, SS .......................................................................... 6 
SET SCREW, 1/4-20 X 1/4”, SS .............................................................. 5 
FLATWASHER,1/4,SS ............................................................................. 2 
LOCKNUT, 1/4-20, SS ............................................................................. 9 
SCREW, 8-32 X 1-1/2”, SS ...................................................................... 4 
SCREW, 8-32 X 1/2”, SS ......................................................................... 16 
LOCKNUT, 8-32, SS ................................................................................ 20 
ALLEN HEAD WRENCH, 1/8” ..................................................................  1 

 

M

2

 ANTENNA SYSTEMS, INC. 

4402 N. SELLAND AVE. 

FRESNO, CA 93722 

(559) 432-8873  FAX: 432-3059 

www.m2inc.com

  Email:  

[email protected]

 

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