1141C30

View detailed technical data, stock status, and sourcing information for: 1141C30
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-805-5645

Item Name Code

08109

Assigment Date

01/01/1962 (64 years ago)

0.1875 inches nominal groove depth, 0.127 inches nominal key width, 0.1875 inches nominal groove width, 1.750 inches nominal outside diameter, 0.516 inches nominal overall length

Product Characteristics

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

Groove Depth: 0.1875 inches nominal
Groove Width: 0.1875 inches nominal
Outside Diameter: 1.750 inches nominal
Overall Length: 0.516 inches nominal
Key Width: 0.127 inches nominal
Bore Diameter: 0.7510 inches nominal
Bore Length: 0.516 inches nominal
Distance From Center Of Bore To Bottom Of Keyway: 0.4120 inches nominal
Groove Radius: 0.0937 inches nominal
Face Width: 0.312 inches nominal
Design Form: plain
Bore Type: straight
Bearings: not included
Groove Quantity: 1
Counterbore Feature: not included
Keying Facility: included
Keying Facility Type: keyway
Split Hub Feature: not included
Lightening Hole: not included
Integral Cooling Vane: not included
Groove Shape: u
Bore Feature: included
Hub End Outside Diameter And Location: 1.000 inches nominal aa end
Distance From Outside Flange/Rim To Hub End And Location: 0.171 inches nominal aa end
Material: steel comp 4620 overall
Material Document And Classification: qq-s-624, comp 4620-canceled fed spec single material response overall
Quantity: 1
Surface Treatment: cadmium
Style Designator: plain

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1680-00-580-5722	No Name Available	08/19/1973

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
1141-30	Groove Pulley
1141C30	Groove Pulley

FAQs

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

What is the FSCG of the NSN 3020-00-805-5645?

The FSCG of the NSN 3020-00-805-5645 is 3020

Does the NSN 3020-00-805-5645 have a Schedule B code assigned?

Yes, the Schedule B code is 8487900080

Does NSN 3020-00-805-5645 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 3020-00-805-5645 contain precious materials?

Item does not contain precious metal.

Does NSN 3020-00-805-5645 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 3020-00-805-5645 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962