NSN 3020-00-138-1894
Part Details | GROOVE PULLEY
3020-00-138-1894 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: 1LVP37B471 18, 1LVP37B471 1-8, 3020-00-138-1894, 00-138-1894, 3020001381894, 001381894
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
30 | JUL 24, 1971 | 00-138-1894 | 08109 ( PULLEY, GROOVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN

Cross Reference | NSN 3020-00-138-1894
Part Number | Cage Code | Manufacturer |
---|---|---|
1LVP37B471 1-8 | 71176 | EMERSON ELECTRIC COBROWNING MFG DIV |
Technical Data | NSN 3020-00-138-1894
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | PLAIN |
OUTSIDE DIAMETER | 4.750 INCHES NOMINAL |
OVERALL LENGTH | 1.875 INCHES NOMINAL |
PITCH DIAMETER | 3.400 INCHES MINIMUM AND 4.700 INCHES MAXIMUM |
FACE WIDTH | 0.750 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
HUB END OUTSIDE DIAMETER AND LOCATION | AHH2.500 INCHES NOMINAL |
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | BBZ0.625 INCHES NOMINAL AND BCA0.312 INCHES NOMINAL |
DESIGN FORM | PLAIN |
LIGHTENING HOLE | NOT INCLUDED |
INTEGRAL COOLING VANE | NOT INCLUDED |
MATERIAL AND LOCATION | IRON, CAST OVERALL |
GROOVE SHAPE | V |
GROOVE QUANTITY | 1 |
GROOVE DEPTH | 0.625 INCHES NOMINAL |
V GROOVE ANGLE IN DEG | 34.0 |
STANDARD V-BELT SECTION DESIGNATION FOR WHICH DESIGNED | AA$$AB |
BORE FEATURE | INCLUDED |
BEARINGS | NOT INCLUDED |
BORE TYPE | STRAIGHT |
BORE DIAMETER | 1.125 INCHES NOMINAL |
BORE LENGTH | 1.875 INCHES NOMINAL |
COUNTERBORE FEATURE | NOT INCLUDED |
KEYING FACILITY | INCLUDED |
KEYING FACILITY TYPE | KEYWAY |
QUANTITY | 1 |
KEYWAY WIDTH | 0.250 INCHES NOMINAL |
DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.637 INCHES NOMINAL |
PROTRUDING HUB CHARACTERISTIC | PLAIN |
SPLIT HUB FEATURE | NOT INCLUDED |
SPECIAL FEATURES | VARIABLE PITCH |