Groove Pulley NSN 3020-00-745-7825

Item Description

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.

NSN: 3020-00-745-7825

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Features and Characteristics

Counterbore Diameter

Between 2.0625 inches and 2.1875 inches

Counterbore Depth

0.9695 inches

Groove Depth

0.5165 inches

Groove Width

0.406 inches

Outside Diameter

6.408 inches

Overall Length

Between 1.96875 inches and 2.03125 inches

Bolt Circle Diameter

3.400 inches

Keyway Width

Between 0.1885 inches and 0.1905 inches

Bore Diameter

Between 1.002 inches and 1.003 inches

Bore Length

2.000 inches

Distance From Center Of Bore To Bottom Of Keyway

Between 0.5987 inches and 0.6037 inches

Drilled Hole Diameter

0.281 inches

V Groove Angle In Deg

36.0

Pitch Diameter

6.155 inches

Securing Hole Quantity

Material And Location

Iron, cast, qq-i-652, class 35

Face Width

Between 1.34375 inches and 1.40625 inches

Design Form

Webbed

Bore Type

Straight

Bearings

Not included

Groove Quantity

Counterbore Feature

Included

Counterbore Location

Bb end

Hole Location

Located on face of pulley

Keying Facility

Included

Keying Facility Type

Keyway

Securing Method

Drilled hole

Split Hub Feature

Not included

Web/spoke Relationship To Face Centerline

Not offset

Lightening Hole

Not included

Integral Cooling Vane

Not included

Groove Shape

Bore Feature

Included

Protruding Hub Characteristic

Stepped

Securing Location

Bb end

First Step Face Largest Diameter And Location

2.438 inches aa end and 3.063 inches aa end

First Step Length And Location

0.625 inches aa end

Second Step Length And Location

0.8125 inches aa end

Hub End Outside Diameter And Location

1.744 inches aa end and 1.748 inches aa end and 2.7485 inches bb end and 2.7495 inches bb end

Distance From Outside Flange/rim To Hub End And Location

0.344 inches aa end and 0.406 inches aa end and 0.219 inches bb end and 0.281 inches bb end

Special Features

Timing notch located on lip of pulley grooves bb hub end 113 degrees 30 min counterclockwise from keyway

Quantity

Surface Treatment

Phosphate

Style Designator

Webbed or spoked

Surface Treatment

Phosphate

Fsc Application Data

Crankshaft, gasoline engine nonaircraft

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

007457825

NSN

3020007457825

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

9171131

Cage Code:

19207

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8487900080
NAICS: 333999
SITC: 74999
Description: Machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 3020-00-745-7825

What are the manufacturers of nsn 3020007457825?

U S Army Tank Automotive Command (19207)

Does this nsn 3020007457825 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020007457825
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.

Does nsn 3020007457825 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020007457825 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020007457825?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

08109

FIIG:

T353-A

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service