NSN 3020-00-745-7825

Part Details | GROOVE PULLEY

3020-00-745-7825 A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see BLOCK, TACKLE. For items specifically designed for aviation, see PULLEY(1), GROOVE, AVIATION.

Alternate Parts: 9171131, 3020-00-745-7825, 00-745-7825, 3020007457825, 007457825

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JAN 01, 196300-745-782508109 ( PULLEY, GROOVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 3020-00-745-7825
Part Number Cage Code Manufacturer
917113119207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 3020-00-745-7825
Characteristic Specifications
STYLE DESIGNATOR1 PLAIN
OUTSIDE DIAMETER6.408 INCHES NOMINAL
OVERALL LENGTH1.96875 INCHES MINIMUM AND 2.03125 INCHES MAXIMUM
PITCH DIAMETER6.155 INCHES NOMINAL
FACE WIDTH1.34375 INCHES MINIMUM AND 1.40625 INCHES MAXIMUM
DESIGN FORM WEBBED
WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE NOT OFFSET
LIGHTENING HOLE NOT INCLUDED
INTEGRAL COOLING VANE NOT INCLUDED
MATERIAL AND LOCATIONFE0004AAB IRON, CAST, QQ-I-652, CLASS 35
SURFACE TREATMENT PHOSPHATE
GROOVE SHAPE V
GROOVE QUANTITY2
GROOVE DEPTH0.5165 INCHES NOMINAL
GROOVE WIDTH0.406 INCHES NOMINAL
V GROOVE ANGLE IN DEG36.0
BORE FEATURE INCLUDED
BEARINGS NOT INCLUDED
BORE TYPE STRAIGHT
BORE DIAMETER1.002 INCHES MINIMUM AND 1.003 INCHES MAXIMUM
BORE LENGTH2.000 INCHES NOMINAL
COUNTERBORE FEATURE INCLUDED
COUNTERBORE LOCATION BB END
COUNTERBORE DIAMETER2.0625 INCHES MINIMUM AND 2.1875 INCHES MAXIMUM
COUNTERBORE DEPTH0.9695 INCHES NOMINAL
KEYING FACILITY INCLUDED
KEYING FACILITY TYPE KEYWAY
QUANTITY1
KEYWAY WIDTH0.1885 INCHES MINIMUM AND 0.1905 INCHES MAXIMUM
DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY0.5987 INCHES MINIMUM AND 0.6037 INCHES MAXIMUM
PROTRUDING HUB CHARACTERISTIC STEPPED
FIRST STEP FACE LARGEST DIAMETER AND LOCATIONBBZ2.438 INCHES MINIMUM AND BBZ3.063 INCHES MAXIMUM
FIRST STEP LENGTH AND LOCATIONBBZ0.625 INCHES NOMINAL
SECOND STEP LENGTH AND LOCATIONBBZ0.8125 INCHES NOMINAL
HUB END OUTSIDE DIAMETER AND LOCATIONBBZ1.744 INCHES MINIMUM AND BBZ1.748 INCHES MAXIMUM AND BCA2.7485 INCHES MINIMUM AND BCA2.7495 INCHES MAXIMUM
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATIONBBZ0.344 INCHES MINIMUM AND BBZ0.406 INCHES MAXIMUM AND BCA0.219 INCHES MINIMUM AND BCA0.281 INCHES MAXIMUM
SPLIT HUB FEATURE NOT INCLUDED
SECURING METHOD DRILLED HOLE
SECURING LOCATION BB END
SECURING HOLE QUANTITY3
HOLE LOCATIONLOCATED ON FACE OF PULLEY
BOLT CIRCLE DIAMETER3.400 INCHES NOMINAL
DRILLED HOLE DIAMETER0.281 INCHES NOMINAL
SPECIAL FEATURESTIMING NOTCH LOCATED ON LIP OF PULLEY GROOVES BB HUB END 113 DEG 30 MIN COUNTERCLOCKWISE FROM KEYWAY
FSC APPLICATION DATACRANKSHAFT,GASOLINE ENGINE NONAIRCRAFT