Product Details | CONE PULLEY

3020-01-166-6403 A pulley having two or more adjoining grooved, flat or crowned faces in steps of different diameters or one having a single tapered face. For pulleys encased in a shell or frame, see BLOCK, TACKLE.

Part Alternates: 12269591, 3020-01-166-6403, 01-166-6403, 3020011666403, 011666403

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

Supply Group (FSG) NSN Assign. NIIN
30 15 NOV 1983 01-166-6403

Drawings & Photos | NSN 3020-01-166-6403


Demand History | NSN 3020-01-166-6403

Part Number Request Date QTY Origin
3020-01-166-6403 2025-07-206 1 US
3020-01-166-6403 2017-12-356 20 DIBBS
3020-01-166-6403 2017-12-355 20 DIBBS
3020-01-166-6403 2013-06-156 8 DIBBS
3020-01-166-6403 2013-02-53 1 DIBBS
3020-01-166-6403 2012-11-318 10 DIBBS
3020-01-166-6403 2011-12-342 20 DIBBS

Cross Reference | NSN 3020-01-166-6403

Part Number Cage Code Manufacturer
12269591 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 3020-01-166-6403

Characteristic Specifications
FACE TYPE STEP GROOVE
FACE WIDTH 7.562 INCHES NOMINAL
STEP OUTSIDE DIAMETER 4.519 INCHES MINIMUM AND 4.569 INCHES MAXIMUM
GROOVE SHAPE V
GROOVE QUANTITY 4
GROOVE DEPTH 0.735 INCHES NOMINAL
GROOVE WIDTH 0.438 INCHES NOMINAL
V GROOVE ANGLE IN DEG 35.0 AND 36.0
STYLE DESIGNATOR E25 WEBBED OR SPOKED
DESIGN FORM WEBBED
WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE NOT OFFSET
LIGHTENING HOLE NOT INCLUDED
INTEGRAL COOLING VANE NOT INCLUDED
OVERALL LENGTH 7.562 INCHES NOMINAL
MATERIAL AND LOCATION STEEL, ASTM A27, GRADE 65-35 OVERALL
BORE BEARING NOT INCLUDED
BORE TYPE STRAIGHT
COUNTERBORE FEATURE NOT INCLUDED
BORE DIAMETER 1.000 INCHES MINIMUM AND 1.002 INCHES MAXIMUM
BORE LENGTH 1.875 INCHES NOMINAL
KEYING FACILITY INCLUDED
KEYING FACILITY TYPE KEYWAY
QUANTITY 1
KEYWAY WIDTH 0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY 0.609 INCHES MINIMUM AND 0.613 INCHES MAXIMUM
HUB END OUTSIDE DIAMETER AND LOCATION 4.569 INCHES MINIMUM AA END AND 1.620 INCHES MAXIMUM BB END
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION 1.840 INCHES MINIMUM AA END AND 0.832 INCHES MAXIMUM BB END

Restrictions/Controls & Freight Information | NSN 3020-01-166-6403

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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.
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 AZ U.S. Army Tank-Automotive and Armaments
Command
Warren, MI 48397-5000
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

Management | NSN 3020-01-166-6403

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each