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Part Number

Part Number:
NSN:
NIIN:
Item Name:
SPROCKET WHEEL

Definition:

A TOOTHED WHEEL WHOSE TEETH OR SPROCKETS ARE DESIGNED TO BE ENGAGED WITH THE LINKS OF A PITCH CHAIN, TRACK, OR THE LIKE. IT IS USUALLY USED FOR TRANSMITTING POWER.

CAGE Information

Code Company
71041 ALTRA HOLDINGS INC. DIV BOSTON GEAR

Federal Supply Class

Title

GEARS, PULLEYS, SPROCKETS, AND T

Inclusions:

INCLUDES POWER TRANSMISSION CHAIN; MATCHED GEAR SETS.

Exclusions:

EXCLUDES REDUCTION GEARS (FSC 3010).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
ABXV BORE DIAMETER 1.125 INCHES NOMINAL
BXSJ LIGHTENING HOLE NOT INCLUDED
AGJS PITCH DIAMETER 3.989 INCHES NOMINAL
BYFN TEETH QUANTITY PER ROW 25
ARJD DESIGN FORM PLAIN
FEAT SPECIAL FEATURES ONE OF THE 3 HOLES WILL BE 0.281 IN. DIA
MATL MATERIAL STEEL
BYFP ASA STANDARD CHAIN NUMBER 40
ASBP BORE TYPE STRAIGHT
BSNP SECURING METHOD DRILLED HOLE
BYFH BELT/CHAIN/FILM SIZE FOR WHICH DESIGNED ROLLER CHAIN
BYFJ ROLLER CHAIN PITCH TYPE FOR WHICH DESIGNED SINGLE PITCH
AXND COUNTERBORE FEATURE NOT INCLUDED
BYFL TEETH ROW QUANTITY 1
STYL STYLE DESIGNATOR PLAIN
AHYF SECURING HOLE QUANTITY 3
BYGF TOOTH PITCH 0.500 INCHES NOMINAL
BSGG KEYING FACILITY NOT INCLUDED
BYFS BORE BEARING NOT INCLUDED
SURF SURFACE TREATMENT ZINC SILICATE,MIL-P-23236,CLASS 3
ABHE OUTSIDE DIAMETER 4.258 INCHES NOMINAL
BYFQ HARDNESS RATING TEST METHOD NOT RATED
BFYT HOLE LOCATION THROUGH GEAR BODY
AQPL FACE WIDTH 0.284 INCHES NOMINAL
ADGE BORE LENGTH 0.284 INCHES NOMINAL
AGGP DRILLED HOLE DIAMETER 0.219 INCHES NOMINAL

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