NSN 3020-00-139-0388

Part Details | SPROCKET WHEEL

3020-00-139-0388 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.

Alternate Parts: 42132525, 42132-525, 42132E525, 3020-00-139-0388, 00-139-0388, 3020001390388, 001390388

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30AUG 21, 197100-139-038804456 ( SPROCKET WHEEL )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 3020-00-139-0388
Part Number Cage Code Manufacturer
42132-52500462GOODRICH CORPORATIONDBA TRW LUCAS AEROSPACE
42132E52582402TRIUMPH GEAR SYSTEMS, INC.DBA TRIUMPH GEAR SYSTEMS- PARK CITY
Technical Data | NSN 3020-00-139-0388
Characteristic Specifications
STYLE DESIGNATOR PLAIN
OUTSIDE DIAMETER4.088 INCHES MINIMUM AND 4.098 INCHES MAXIMUM
OVERALL LENGTH0.934 INCHES MINIMUM AND 0.939 INCHES MAXIMUM
PITCH DIAMETER3.831 INCHES NOMINAL
FACE WIDTH0.275 INCHES MINIMUM AND 0.284 INCHES MAXIMUM
HUB END OUTSIDE DIAMETER AND LOCATIONBBZ1.300 INCHES NOMINAL
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATIONBBZ0.650 INCHES MINIMUM AND BBZ0.664 INCHES MAXIMUM
DESIGN FORM PLAIN
LIGHTENING HOLE INCLUDED
BELT/CHAIN/FILM SIZE FOR WHICH DESIGNED ROLLER CHAIN
ROLLER CHAIN PITCH TYPE FOR WHICH DESIGNED SINGLE PITCH
TEETH ROW QUANTITY1
TEETH QUANTITY PER ROW24
TOOTH PITCH0.500 INCHES NOMINAL
ASA STANDARD CHAIN NUMBER40-1
MATERIAL ALUMINUM ALLOY 7075
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250 TO 12, ALLOY 7075, T651 FED SPEC SINGLE MATERIAL RESPONSE
HARDNESS RATING TEST METHOD NOT RATED
BORE BEARING NOT INCLUDED
BORE TYPE INVOLUTE SPLINE
COUNTERBORE FEATURE NOT INCLUDED
SPLINE QUANTITY24
SPLINE MAJOR DIAMETER0.806 INCHES MINIMUM AND 0.814 INCHES MAXIMUM
SPLINE MINOR DIAMETER0.719 INCHES MINIMUM AND 0.722 INCHES MAXIMUM
SPLINE LENGTH0.934 INCHES MINIMUM AND 0.939 INCHES MAXIMUM
SPLINE PRESSURE ANGLE IN DEG30.0
SPLINE PITCH DIAMETER0.750 INCHES NOMINAL
PROTRUDING HUB CHARACTERISTIC PLAIN
HUB EXTERNAL KEYWAY NOT INCLUDED