187665PC53

View detailed technical data, stock status, and sourcing information for: 187665PC53
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-420-3440

Item Name Code

05464

Assigment Date

01/01/1963 (63 years ago)

A two electrode semiconductor device having an asymmetrical voltage - current characteristic. May or may not include mounting hardware and/or heatsink. Excludes:light emitting diode and semiconductor device,photo. For items containing material such as selenium and copper oxide, see recifier, metallic.

18.3950 inches nominal outside diameter, 18.1090 inches nominal pitch diameter, 3.500 inches nominal overall length, 119 teeth quantity, tapered w/keyway second end bore style

Product Characteristics

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

Pitch Diameter: 18.1090 inches nominal
Teeth Quantity: 119
Bore Style: tapered w/keyway second end
Nominal Outside Diameter: 18.3950 inches
Nominal Overall Length: 3.500 inches
Teeth Type: single helix
Tooth Direction: right
Pressure Angle: 14.5000 degrees
Nominal Distance Between Body Face And Protruding Hub End: 0.500 inches first end
Nominal Distance Between Body Face And Recessed Hub End: 0.500 inches second end
Hub Style Designator: plain both ends
Hub Nominal Diameter: 4.500 inches first end
Hub Nominal Diameter: 5.000 inches second end
Material: steel overall
Material Document And Classification: mil-s-890,alloy no. 1 mil spec single material response overall
Style Designator: one protruding hub, one recessed hub

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
185725PC53	Helical Gear
185727PC53	Helical Gear
185740B53	Helical Gear
185740PC53	Helical Gear
187665PC53	Helical Gear
187940PC53	Helical Gear
187942PC53	Helical Gear
188177PC53	Helical Gear
188179PC53	Helical Gear
NSD84024-165	Helical Gear

FAQs

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

What is the FSCG of the NSN 3020-00-420-3440?

The FSCG of the NSN 3020-00-420-3440 is 3020

Does the NSN 3020-00-420-3440 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-00-420-3440 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 3020-00-420-3440 contain precious materials?

Item does not contain precious metal.

Does NSN 3020-00-420-3440 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 3020-00-420-3440 was assigned to the Federal Catalog?

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