LT-1-1955

View detailed technical data, stock status, and sourcing information for: LT-1-1955
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-01-060-7163

Item Name Code

04456

Assigment Date

05/28/1978 (48 years ago)

A pulley with regularly spaced grooves parallel to the pulley axis on the face. It is designed to be used for timing purposes such as to synchronize the igintion spark with the completion of the compression stroke of the piston.

2.365 inches minimum and 2.375 inches maximum bore length, 2.365 inches minimum and 2.375 inches maximum overall length, 1.505 inches minimum and 1.506 inches maximum bore diameter, 6.230 inches nominal outside diameter, bore bearing furnished items

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Furnished Items: bore bearing
Outside Diameter: 6.230 inches nominal
Overall Length: 2.365 inches minimum and 2.375 inches maximum
Bore Diameter: 1.505 inches minimum and 1.506 inches maximum
Bore Length: 2.365 inches minimum and 2.375 inches maximum
Pitch Diameter: 5.617 inches nominal
Hub Outside Diameter: 3.750 inches nominal both ends
Face Width: 0.692 inches nominal
Design Form: plain
Bore Type: straight
Distance From Hub End To Flange End: 0.844 inches nominal both ends
Lubrication Mode: no visible means
Protruding Hub Characteristic: plain
Teeth Row Quantity: 1
Teeth Quantity Per Row: 14
Asa Standard Chain Number: 100
Hardness Rating Test Method: not rated
Tooth Pitch: 1.250 inches nominal
Material: steel comp 1040 and steel comp 1045
Material Document And Classification: sae 1040 assn std 1st material response and sae 1045 assn std 2nd material response
Surface Treatment: oxide
Style Designator: plain

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3020-00-850-3489	No Name Available	05/01/1983

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
13212E4501	Sprocket Wheel
2C622247	Sprocket Wheel
H3-2C622247	Sprocket Wheel
LT-1-1955	Sprocket Wheel

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3020-01-060-7163?

The FSCG of the NSN 3020-01-060-7163 is 3020

Does the NSN 3020-01-060-7163 have a Schedule B code assigned?

Yes, the Schedule B code is 8483901000

Does NSN 3020-01-060-7163 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3020-01-060-7163 contain precious materials?

Precious metal content is unknown

Does NSN 3020-01-060-7163 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 3020-01-060-7163 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sun, May 28, 1978