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National Stock Number:
3020-01-619-7024
Federal Supply Class:
3020
National Item Identification Number:
016197024
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:
| P408M85SD | 79425 | TB WOODSS CORPORATION |
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Techincal Specification:
| BOLT CIRCLE DIAMETER | 2.688 INCHES NOMINAL | | BORE TYPE | TAPERED | | DESIGN FORM | SPOKED | | DRILLED HOLE DIAMETER | 0.3125 INCHES NOMINAL | | FACE WIDTH | 3.750 INCHES MINIMUM AND 3.780 INCHES MAXIMUM | | GROOVE QUANTITY | 40 | | GROOVE SHAPE | U | | HOLE LOCATION | AA END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-I-652, CLASS 35 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-I-652, CLASS 30 FED SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | IRON CAST UNS F12101 OR IRON CAST UNS F12401 BODY | | PART NAME ASSIGNED BY CONTROLLING AGENCY | PULLEY, STRAIGHT BORES, SYCHRONOUS TEETH AND V-BELT GROOVE SIDEWALLS 125 MICRO INCH | | PILOT DIAMETER | 3.250 INCHES NOMINAL | | PITCH DIAMETER | 4.010 INCHES NOMINAL | | NOMINAL THREAD SIZE | 0.250 INCHES | | OUTSIDE DIAMETER | 4.006 INCHES NOMINAL | | SECURING HOLE QUANTITY | 3 | | SECURING LOCATION | AA END | | SECURING METHOD | THREADED HOLE(S) AND DRILLED HOLE | | SPECIAL FEATURES | MAX RPM: 6320; HAS 40 GROOVES, 8 MM, EQ SPACED; DRILLED HOLES AT AA END; 5/16 DIA. THRU, 3 HOLES AT 120 DEG ON 2.688 DIA. BC; DRILL NO. 7 (.201) DIA. THRU C-DRILL 5/16 X .81DP, (FROM OTHER SIDE) TAP 1/4-20 UNC-2B THRU E HOLES AT 120 DEG ON 2.688 BHC | | SURFACE TREATMENT | PAINT | | THREAD DIRECTION | RIGHT-HAND | | THREAD SIZE | 0.250 | | WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | OFFSET |
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