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National Stock Number:
3020-00-098-1781
Federal Supply Class:
3020
National Item Identification Number:
000981781
Description:
PULLEY,GROOVE
Detail:
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.
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Manufacturer Information:
| 321250 | 3G892 | ELECTRO MACHINE AND TOOL CO | | 321250 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| DRILLED HOLE DIAMETER | 0.191 INCHES MINIMUM AND 0.194 INCHES MAXIMUM | | BEARINGS | NOT INCLUDED | | BOLT CIRCLE DIAMETER | 2.500 INCHES NOMINAL | | BORE FEATURE | INCLUDED | | BORE TYPE | INVOLUTE SPLINE | | DESIGN FORM | PLAIN | | FACE WIDTH | 0.225 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | GROOVE DEPTH | 0.187 INCHES NOMINAL | | GROOVE QUANTITY | 1 | | GROOVE SHAPE | V | | HOLE LOCATION | HOLES EQUALLY SPACED,1ST HOLE IN LINE W/CENTERLINE THRU SPLINE GROOVES WITHIN 0.030 | | INTEGRAL COOLING VANE | NOT INCLUDED | | LIGHTENING HOLE | NOT INCLUDED | | OUTSIDE DIAMETER | 4.375 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ALLOY,24ST,ALUMINUM CO OF AMERICA MFR REF SINGLE MATERIAL RESPONSE OR AMS 4037 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY OVERALL | | MINOR DIAMETER | 0.560 INCHES MINIMUM AND 0.563 INCHES MAXIMUM SPLINE | | SECURING HOLE QUANTITY | 18 | | SECURING METHOD | DRILLED HOLE | | SPECIAL FEATURES | SECURING HOLESCOUNTERBORED 0.312 IN. DIABY .037/.077 IN. DEEP,ONERECTANGULAR NOTCH LOCATED IN OUTER EDGE,BASE OF NOTCH 1.530/1.540 IN. FROM CENTER,0.498/0.501 IN. W | | V GROOVE ANGLE IN DEG | 30.0 | | SPLINE LENGTH | 0.223 INCHES MINIMUM AND 0.225 INCHES MAXIMUM | | SPLINE MAJOR DIAMETER | 0.682 INCHES NOMINAL | | SPLINE PITCH DIAMETER | 0.6000 INCHES NOMINAL | | SPLINE PRESSURE ANGLE IN DEG | 30.0 | | SPLINE QUANTITY | 12 | | SPLIT HUB FEATURE | NOT INCLUDED | | STYLE DESIGNATOR | PLAIN | | SURFACE TREATMENT | PAINT |
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