875-A-542

View detailed technical data, stock status, and sourcing information for: 875-A-542
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-01-104-7706

Item Name Code

36636

Assigment Date

12/10/1980 (45 years ago)

A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see gearshaft (as modified). Excludes:gear subassembly, speed decreaser.

2.110 inches first gear nominal outside diameter, spur second gear design type, plain both ends bore style, spur first gear design type, assembled construction

Product Characteristics

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

Bore Style: plain both ends
Design Type: spur second gear
Design Type: spur first gear
Construction: assembled
Nominal Outside Diameter: 2.110 inches first gear
Nominal Outside Diameter: 0.811 inches second gear
Nominal Overall Length: 0.500 inches
Hub Nominal Length: 0.229 inches between first and second gear
Bore Nominal Diameter: 0.250 inches both ends
Hub Style Designator: plain between first and second gear
Hub Nominal Diameter: 0.500 inches between first and second gear
Precision Classification: quality number 10 or quality number 11 all gears
Material: aluminum first gear
Material: steel corrosion resisting second gear
Surface Treatment: anodize first gear
Surface Treatment: passivate second gear

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
875-A-542	Gear Cluster

FAQs

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

What is the FSCG of the NSN 3020-01-104-7706?

The FSCG of the NSN 3020-01-104-7706 is 3020

Does the NSN 3020-01-104-7706 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-01-104-7706 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 3020-01-104-7706 contain precious materials?

Item does not contain precious metal.

Does NSN 3020-01-104-7706 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 3020-01-104-7706 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Wed, Dec 10, 1980