Groove Pulley NSN 3020-01-272-8678

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: 3020-01-272-8678

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Features and Characteristics

Groove Width

0.656 inches

Outside Diameter

6.750 inches

Overall Length

1.531 inches

Bore Diameter

Between 0.500 inches and 1.438 inches

Bore Length

1.469 inches

Pitch Diameter

6.000 inches and 6.400 inches

Material And Location

Iron, cast

Face Width

0.875 inches

Design Form

Spoked

Bore Type

Straight

Bearings

Not included

Groove Quantity

Counterbore Feature

Not included

Keying Facility

Included

Keying Facility Type

Integral key

Securing Method

Setscrew

Split Hub Feature

Not included

Web/spoke Relationship To Face Centerline

Not offset

Lightening Hole

Not included

Integral Cooling Vane

Not included

Groove Shape

Standard V-belt Section Designation For Which Designed

4l and 5l and a and b

Bore Feature

Included

Securing Location

Aa end

Hub End Outside Diameter And Location

2.375 inches aa end

Distance From Outside Flange/rim To Hub End And Location

0.656 inches aa end and 0.062 inches bb end

Special Features

Epart no. Bk70 is available in bore sizes 0.5000; 0.625; 0.750: 0.938; 1.000; 1.188; 1.250 and 1.438 with varying keyseat dimensions depending on bore size; bushings are available for odd bore sizes

Quantity

Style Designator

Webbed or spoked

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

012728678

NSN

3020012728678

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

BK70

Cage Code:

71176

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 3020-01-272-8678

What are the manufacturers of nsn 3020012728678?

Emerson Electric Co (71176)

Does this nsn 3020012728678 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020012728678
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 3020012728678 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020012728678 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020012728678?
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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