8273DX

View detailed technical data, stock status, and sourcing information for: 8273DX
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-424-8638

Item Name Code

08109

Assigment Date

01/01/1963 (63 years ago)

0.437 inches nominal groove depth, 0.500 inches nominal groove width, 5.000 inches nominal outside diameter, 5/16 - 18 thread size, 1.656 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: 0.437 inches nominal
Groove Width: 0.500 inches nominal
Outside Diameter: 5.000 inches nominal
Overall Length: 1.656 inches nominal
Thread Size: 5/16 - 18
Bore Diameter: 0.4365 inches minimum and 0.4380 inches maximum
Bore Length: 0.875 inches nominal
V Groove Angle In Deg: 38.0
Pitch Diameter: 4.875 inches nominal
Securing Hole Quantity: 1
Furnished Items And Quantity: one hex jam nut,one sq head dog point setscrew
Face Width: 0.750 inches nominal
Design Form: webbed
Bore Type: straight
Bearings: not included
Groove Quantity: 1
Counterbore Feature: not included
Hole Location: in rim of hub
Keying Facility: not included
Securing Method: threaded hole
Split Hub Feature: not included
Web/Spoke Relationship To Face Centerline: offset
Lightening Hole: included
Integral Cooling Vane: not included
Groove Shape: v
Standard V-Belt Section Designation For Which Designed: a
Bore Feature: included
Securing Location: aa end
Hub End Outside Diameter And Location: 0.875 inches nominal both ends
Distance From Outside Flange/Rim To Hub End And Location: 0.906 inches minimum aa end and 0.781 inches maximum bb end
Material: iron overall
Style Designator: webbed or spoked
Fsc Application Data: fuel pump group,diesel engine

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
3H1918P20	Groove Pulley
8273DX	Groove Pulley

FAQs

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

What is the FSCG of the NSN 3020-00-424-8638?

The FSCG of the NSN 3020-00-424-8638 is 3020

Does the NSN 3020-00-424-8638 have a Schedule B code assigned?

Yes, the Schedule B code is 8487900080

Does NSN 3020-00-424-8638 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 3020-00-424-8638 contain precious materials?

Precious metal content is unknown

Does NSN 3020-00-424-8638 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 3020-00-424-8638 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963