Product Details | GROOVE PULLEY

3020-00-181-8393 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: 2625034, 3020-00-181-8393, 00-181-8393, 3020001818393, 001818393

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

Supply Group (FSG) NSN Assign. NIIN
30 08 SEP 1972 00-181-8393

Drawings & Photos | NSN 3020-00-181-8393


Cross Reference | NSN 3020-00-181-8393

Part Number Cage Code Manufacturer
2625034 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 3020-00-181-8393

Characteristic Specifications
STYLE DESIGNATOR A21 WEBBED OR SPOKED
OUTSIDE DIAMETER 9.583 INCHES NOMINAL
OVERALL LENGTH 3.359 INCHES MINIMUM AND 3.391 INCHES MAXIMUM
PITCH DIAMETER 9.330 INCHES NOMINAL
FACE WIDTH 1.500 INCHES MINIMUM AND 1.530 INCHES MAXIMUM
HUB END OUTSIDE DIAMETER AND LOCATION 2.880 INCHES NOMINAL AA END AND 2.750 INCHES NOMINAL BB END
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION 1.186 INCHES NOMINAL AA END AND 0.370 INCHES NOMINAL BB END
DESIGN FORM WEBBED
WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE OFFSET
LIGHTENING HOLE NOT INCLUDED
INTEGRAL COOLING VANE NOT INCLUDED
MATERIAL AND LOCATION STEEL, QQ-S-741 OVERALL
SURFACE TREATMENT CADMIUM PLATED,FED,QQ-P-416,TYPE 2,CLASS 3
GROOVE SHAPE V
GROOVE QUANTITY 3
GROOVE DEPTH 0.365 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
GROOVE WIDTH 0.260 INCHES NOMINAL
V GROOVE ANGLE IN DEG 39.7
BORE FEATURE INCLUDED
BEARINGS NOT INCLUDED
BORE TYPE STRAIGHT
BORE DIAMETER 2.001 INCHES MINIMUM AND 2.002 INCHES MAXIMUM
BORE LENGTH 3.359 INCHES MINIMUM AND 3.391 INCHES MAXIMUM
COUNTERBORE FEATURE NOT INCLUDED
KEYING FACILITY INCLUDED
KEYING FACILITY TYPE KEYWAY
QUANTITY 1
KEYWAY WIDTH 0.376 INCHES MINIMUM AND 0.378 INCHES MAXIMUM
DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY 2.176 INCHES MINIMUM AND 2.178 INCHES MAXIMUM
PROTRUDING HUB CHARACTERISTIC PLAIN
SPLIT HUB FEATURE NOT INCLUDED
SECURING METHOD THREADED HOLE AND WELDED
SECURING LOCATION BB END AND AA END
SECURING HOLE QUANTITY 6
THREAD SIZE 5/16-24
HOLE LOCATION 6 HOLES EQUALLY SPACED ON 4.250 IN. BOLT CIRCLE

Restrictions/Controls & Freight Information | NSN 3020-00-181-8393

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:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 PA Marine Corps Logistics Base
Albany, GA 31704-1128
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