A51M20590-11

View detailed technical data, stock status, and sourcing information for: A51M20590-11
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part A51M20590-11 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-842-5308

Item Name Code

05466

Assigment Date

05/05/1972 (54 years ago)

involute spline both ends bore style, 98 teeth quantity, plain, solid body style, 1.0218 inches nominal pitch diameter, 8 both ends spline quantity

Product Characteristics

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

Body Style: plain, solid
Spline Quantity: 8 both ends
Pitch Diameter: 1.0218 inches nominal
Teeth Quantity: 98
Bore Style: involute spline both ends
Spline Pitch Diameter: 0.1660 inches nominal both ends
Backlash Designation: grade c
Nominal Outside Diameter: 1.041 inches
Tooth Form: standard
Pressure Angle: 20.0000 degrees
Nominal Distance Between Body Face And Protruding Hub End: 0.230 inches both ends
Face Nominal Width: 0.052 inches
Bore Nominal Diameter: 0.208 inches both ends
Hub Style Designator: 1 step both ends
End Nominal Length: 0.206 inches both ends
Precision Classification: quality number 11
End Nominal Diameter: 0.374 inches both ends
First Step Nominal Length: 0.024 inches both ends
First Step Nominal Diameter: 0.450 inches both ends
Special Features: counterbore both ends,0.215 in. nominal dia,0.094 in. nominal depth
Material: aluminum alloy 7075 overall
Material Document And Classification: qq-a-225/9,t73 fed spec single material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625,type 2,class 1 mil spec single treatment response overall
Style Designator: protruding hubs

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
A51M20590-11	Spur Gear

FAQs

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

What is the FSCG of the NSN 3020-00-842-5308?

The FSCG of the NSN 3020-00-842-5308 is 3020

Does the NSN 3020-00-842-5308 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-00-842-5308 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 3020-00-842-5308 contain precious materials?

Precious metal content is unknown

Does NSN 3020-00-842-5308 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 3020-00-842-5308 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, May 5, 1972