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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
80378 TRIUMPH AEROSTRUCTURES, LLC DBA TRIU

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
AGJS PITCH DIAMETER 1.598 INCHES NOMINAL
ABHE OUTSIDE DIAMETER 1.729 INCHES NOMINAL
BYFN TEETH QUANTITY PER ROW 20
BXSJ LIGHTENING HOLE NOT INCLUDED
ARJD DESIGN FORM PLAIN
ASBP BORE TYPE SQUARE
MATL MATERIAL STEEL, AMS 5643
BYFH BELT/CHAIN/FILM SIZE FOR WHICH DESIGNED ROLLER CHAIN
BYFJ ROLLER CHAIN PITCH TYPE FOR WHICH DESIGNED SINGLE PITCH
AFMV INSIDE WIDTH ACROSS FLATS 0.3125 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM
BYFW HUB EXTERNAL KEYWAY NOT INCLUDED
AXND COUNTERBORE FEATURE NOT INCLUDED
BYFL TEETH ROW QUANTITY 1
STYL STYLE DESIGNATOR PLAIN
SURF SURFACE TREATMENT PASSIVATED
BYDZ PROTRUDING HUB CHARACTERISTIC PLAIN
ABHP OVERALL LENGTH 0.260 INCHES NOMINAL
BYZF DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION 0.150 INCHES NOMINAL BOTH ENDS
BSGG KEYING FACILITY NOT INCLUDED
BYFS BORE BEARING NOT INCLUDED
AQPL FACE WIDTH 0.110 INCHES NOMINAL
BYFR TEETH HARDNESS RATING 40.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
BYFQ HARDNESS RATING TEST METHOD ROCKWELL
BYZD HUB END OUTSIDE DIAMETER AND LOCATION 0.680 INCHES INNER NEEDLE PEAK
ASXJ METALLIC HARDNESS RATING AND LOCATION 40.0 ROCKWELL C MINIMUM HUB AND 46.0 ROCKWELL C MAXIMUM HUB
BYGF TOOTH PITCH 0.250 INCHES NOMINAL
BYFP ASA STANDARD CHAIN NUMBER 25

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