Product Details | GROOVE PULLEY

3020-00-779-7231 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.

Part Alternates: S820K405, 3020-00-779-7231, 00-779-7231, 3020007797231, 007797231

Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1960 00-779-7231

Drawings & Photos | NSN 3020-00-779-7231


Cross Reference | NSN 3020-00-779-7231

Part Number Cage Code Manufacturer
S820K405 14351 TELEDYNE CONTINENTAL MOTORS INDUSTRIAL PRODUCTS DIV

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Technical Data | NSN 3020-00-779-7231

Characteristic Specifications
STYLE DESIGNATOR A2 PLAIN
OUTSIDE DIAMETER 6.437 INCHES NOMINAL
OVERALL LENGTH 4.125 INCHES NOMINAL
PITCH DIAMETER 5.153 INCHES NOMINAL
FACE WIDTH 2.375 INCHES NOMINAL
HUB END OUTSIDE DIAMETER AND LOCATION 3.750 INCHES NOMINAL AA END
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION 1.625 INCHES NOMINAL AA END
DESIGN FORM PLAIN
LIGHTENING HOLE NOT INCLUDED
INTEGRAL COOLING VANE NOT INCLUDED
MATERIAL AND LOCATION IRON OVERALL
GROOVE SHAPE V
GROOVE QUANTITY 3
GROOVE DEPTH 0.641 INCHES NOMINAL
GROOVE WIDTH 0.500 INCHES NOMINAL
V GROOVE ANGLE IN DEG 36.0
STANDARD V-BELT SECTION DESIGNATION FOR WHICH DESIGNED A
BORE FEATURE INCLUDED
BEARINGS NOT INCLUDED
BORE TYPE STRAIGHT SPLINE
SPLINE QUANTITY 6
SPLINE MAJOR DIAMETER 0.850 INCHES NOMINAL
SPLINE MINOR DIAMETER ANY ACCEPTABLE
SPLINE LENGTH 2.438 INCHES NOMINAL
BORE DIAMETER 0.985 INCHES NOMINAL
BORE LENGTH 2.438 INCHES NOMINAL
COUNTERBORE FEATURE INCLUDED
COUNTERBORE LOCATION AA END
COUNTERBORE DIAMETER 1.250 INCHES NOMINAL
COUNTERBORE DEPTH 0.688 INCHES NOMINAL
KEYING FACILITY NOT INCLUDED
SPLIT HUB FEATURE NOT INCLUDED
SECURING METHOD THREADED HOLE
SECURING LOCATION AA END
SECURING HOLE QUANTITY 6
THREAD SIZE 5/16 - 18
HOLE LOCATION EQUALLY SPACED ON 2-1/2 IN. DIA BOLT CIRCLE

Restrictions/Controls & Freight Information | NSN 3020-00-779-7231

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 127300 PULLEY BLOCKS/TCKLE/SNATCH/FAIRLDRS
Less than car load rating
Less than truck load rating S 60.0
Water commodity Code 593 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable