NSN 3020-01-112-3991
Part Details | GROOVE PULLEY
3020-01-112-3991 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: AK441 IN BORE, AK44-1 IN BORE, AK441, AK44-1, 3020-01-112-3991, 01-112-3991, 3020011123991, 011123991
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | MAY 03, 1981 | 01-112-3991 | 08109 ( PULLEY, GROOVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
Cross Reference | NSN 3020-01-112-3991
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AK44-1 IN BORE | 71176 | EMERSON ELECTRIC COBROWNING MFG DIV |
| AK44-1 | 71176 | EMERSON ELECTRIC COBROWNING MFG DIV |
Technical Data | NSN 3020-01-112-3991
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 1 PLAIN |
| OUTSIDE DIAMETER | 4.250 INCHES NOMINAL |
| OVERALL LENGTH | 1.219 INCHES NOMINAL |
| PITCH DIAMETER | 3.660 INCHES MINIMUM AND 4.000 INCHES MAXIMUM |
| FACE WIDTH | 0.750 INCHES NOMINAL |
| HUB END OUTSIDE DIAMETER AND LOCATION | BBZ1.750 INCHES NOMINAL AND BCA1.875 INCHES NOMINAL |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | BBZ0.469 INCHES NOMINAL AND BCA0.062 INCHES NOMINAL |
| DESIGN FORM | SPOKED |
| WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | NOT OFFSET |
| LIGHTENING HOLE | NOT INCLUDED |
| INTEGRAL COOLING VANE | NOT INCLUDED |
| MATERIAL AND LOCATION | FEA000AAB IRON, CAST |
| SURFACE TREATMENT | PAINT |
| GROOVE SHAPE | V |
| GROOVE QUANTITY | 1 |
| GROOVE DEPTH | 0.490 INCHES NOMINAL |
| GROOVE WIDTH | 0.494 INCHES NOMINAL |
| V GROOVE ANGLE IN DEG | 34.0 |
| STANDARD V-BELT SECTION DESIGNATION FOR WHICH DESIGNED | 3L OR 4L OR A |
| BORE FEATURE | INCLUDED |
| BEARINGS | NOT INCLUDED |
| BORE TYPE | STRAIGHT |
| BORE DIAMETER | 1.000 INCHES NOMINAL |
| BORE LENGTH | 1.156 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 | 0.619 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| SPLIT HUB FEATURE | NOT INCLUDED |
| SECURING METHOD | HF ANY ACCEPTABLE |
| SECURING LOCATION | AA END |
| SECURING HOLE QUANTITY | 1 |
| THREAD SIZE | 0.312-18 |
| HOLE LOCATION | TOP OF KEYWAY,0.281 IN. FROM END OF HUB |
| FURNISHED ITEMS AND QUANTITY | SETSCREW,ONE EACH |