553093

View detailed technical data, stock status, and sourcing information for: 553093
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-01-020-8789

Item Name Code

08109

Assigment Date

05/07/1976 (50 years ago)

4.800 inches nominal outside diameter, 0.562 inches nominal groove depth, 1.011 inches minimum and 1.031 inches maximum bore length, 2.010 inches minimum and 2.040 inches maximum overall length, 0.625 inches nominal groove width

Product Characteristics

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

Groove Depth: 0.562 inches nominal
Groove Width: 0.625 inches nominal
Outside Diameter: 4.800 inches nominal
Overall Length: 2.010 inches minimum and 2.040 inches maximum
Bore Length: 1.011 inches minimum and 1.031 inches maximum
V Groove Angle In Deg: 36.0
Pitch Diameter: 4.500 inches nominal
Taper Bore Major Diameter: 0.810 inches minimum and 0.820 inches maximum
Taper Bore Minor Diameter: 0.785 inches minimum and 0.786 inches maximum
Face Width: 1.800 inches minimum and 1.810 inches maximum
Design Form: webbed
Bore Type: tapered
Bearings: not included
Taper Major Diameter Location: bb end
Groove Quantity: 2
Counterbore Feature: not included
Keying Facility: not included
Split Hub Feature: not included
Web/Spoke Relationship To Face Centerline: offset
Lightening Hole: not included
Integral Cooling Vane: not included
Groove Shape: v
Standard V-Belt Section Designation For Which Designed: 5l
Bore Feature: included
Protruding Hub Characteristic: plain
Hub End Outside Diameter And Location: 1.170 inches nominal aa end and 1.156 inches nominal bb end
Distance From Outside Flange/Rim To Hub End And Location: 0.231 inches nominal aa end and 1.020 inches nominal bb end
Special Features: included two tapped puller holes 0.375-16 inc
Material: steel overall
Style Designator: webbed or spoked

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
553093	Groove Pulley

FAQs

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

What is the FSCG of the NSN 3020-01-020-8789?

The FSCG of the NSN 3020-01-020-8789 is 3020

Does the NSN 3020-01-020-8789 have a Schedule B code assigned?

Yes, the Schedule B code is 8487900080

Does NSN 3020-01-020-8789 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 3020-01-020-8789 contain precious materials?

Precious metal content is unknown

Does NSN 3020-01-020-8789 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 3020-01-020-8789 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Fri, May 7, 1976