3012889

View detailed technical data, stock status, and sourcing information for: 3012889
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-432-9643

Item Name Code

08110

Assigment Date

05/07/1971 (55 years ago)

0.750 inches nominal groove depth, 4.250 inches nominal counterbore diameter, 3.187 inches nominal overall length, 0.625 inches nominal groove width, 1.812 inches nominal counterbore depth

Product Characteristics

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

Counterbore Diameter: 4.250 inches nominal
Counterbore Depth: 1.812 inches nominal
Groove Depth: 0.750 inches nominal
Groove Width: 0.625 inches nominal
Overall Length: 3.187 inches nominal
Bolt Circle Diameter: 3.625 inches nominal
Key Width: 0.312 inches nominal
Thread Size: 7/16-14
Bore Diameter: 1.375 inches nominal
Bore Length: 1.500 inches nominal
Distance From Center Of Bore To Top Of Key: 0.125 inches nominal
V Groove Angle In Deg: 42.0
Securing Hole Quantity: 2
Face Type: step groove
Face Width: 3.312 inches nominal
Design Form: plain
Bore Type: straight
Groove Quantity: 3
Counterbore Feature: included
Step Outside Diameter: 9.500 inches nominal and 8.125 inches nominal and 6.750 inches nominal
Counterbore Location: bb end
Hole Location: in body
Keying Facility: included
Keying Facility Spacing In Deg: 180.0
Keying Facility Type: integral key
Securing Method: threaded hole
Split Hub Feature: not included
Lightening Hole: included
Integral Cooling Vane: not included
Groove Shape: v
Protruding Hub Characteristic: plain
Securing Location: bb end
Bore Bearing: not included
Hub End Outside Diameter And Location: 2.000 inches nominal aa end
Distance From Outside Flange/Rim To Hub End And Location: 1.125 inches nominal aa end
V Groove Pitch Diameter: 9.125 inches nominal
Material: steel overall
Quantity: 1
Style Designator: plain

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
3012889	Cone Pulley
AR5125	Cone Pulley
AR51538	Cone Pulley
BM96011	Cone Pulley

FAQs

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

What is the FSCG of the NSN 3020-00-432-9643?

The FSCG of the NSN 3020-00-432-9643 is 3020

Does the NSN 3020-00-432-9643 have a Schedule B code assigned?

Yes, the Schedule B code is 8487900080

Does NSN 3020-00-432-9643 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 3020-00-432-9643 contain precious materials?

Precious metal content is unknown

Does NSN 3020-00-432-9643 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 3020-00-432-9643 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, May 7, 1971