AK49-3/4BORE

View detailed technical data, stock status, and sourcing information for: AK49-3/4BORE
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-01-117-8672

Item Name Code

08109

Assigment Date

08/23/1981 (44 years ago)

A toothed wheel whose teeth or sprockets are designed to be engaged with the links of a pitch chain, track, or the like. It is usually used for transmitting power.

4.750 inches nominal outside diameter, 0.188 inches nominal keyway width, 1.219 inches nominal overall length, 0.494 inches nominal groove depth, 0.490 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: 0.494 inches nominal
Groove Width: 0.490 inches nominal
Outside Diameter: 4.750 inches nominal
Overall Length: 1.219 inches nominal
Keyway Width: 0.188 inches nominal
Bore Diameter: 0.750 inches nominal
Bore Length: 1.219 inches nominal
Distance From Center Of Bore To Bottom Of Keyway: 0.469 inches nominal
V Groove Angle In Deg: 34.0
Pitch Diameter: 4.160 inches minimum and 4.500 inches maximum
Furnished Items And Quantity: one setscrew
Face Width: 0.750 inches nominal
Design Form: spoked
Bore Type: straight
Bearings: not included
Groove Quantity: 1
Counterbore Feature: not included
Keying Facility: included
Keying Facility Type: keyway
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: v
Bore Feature: included
Protruding Hub Characteristic: plain
Securing Location: aa end
Hub End Outside Diameter And Location: 1.750 inches nominal both ends
Distance From Outside Flange/Rim To Hub End And Location: 0.468 inches nominal aa end and 0.062 inches nominal bb end
Material: iron cast overall
Quantity: 1
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
AK49-3/4BORE	Groove Pulley

FAQs

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

What is the FSCG of the NSN 3020-01-117-8672?

The FSCG of the NSN 3020-01-117-8672 is 3020

Does the NSN 3020-01-117-8672 have a Schedule B code assigned?

Yes, the Schedule B code is 8487900080

Does NSN 3020-01-117-8672 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 3020-01-117-8672 contain precious materials?

Item does not contain precious metal.

Does NSN 3020-01-117-8672 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 3020-01-117-8672 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sun, Aug 23, 1981