888122

View detailed technical data, stock status, and sourcing information for: 888122
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-274-4499

Item Name Code

05466

Assigment Date

01/01/1963 (63 years ago)

7.2980 inches nominal pitch diameter, webbed, solid body style, 6 both ends spline quantity, 45 teeth quantity, straight spline both ends bore style

Product Characteristics

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

Body Style: webbed, solid
Spline Quantity: 6 both ends
Pitch Diameter: 7.2980 inches nominal
Teeth Quantity: 45
Bore Style: straight spline both ends
Hardness Rating: 58.0 rockwell c minimum and 63.0 rockwell c maximum overall
Nominal Outside Diameter: 7.541 inches
Nominal Overall Length: 1.734 inches
Tooth Form: standard
Pressure Angle: 20.0000 degrees
Nominal Distance Between Body Face And Protruding Hub End: 0.562 inches first end
Nominal Distance Between Body Face And Recessed Hub End: 0.109 inches second end
Face Nominal Width: 1.219 inches
Bore Nominal Diameter: 1.991 inches both ends
Hub Style Designator: 1 step second end
Hub Style Designator: plain first end
Hub Nominal Diameter: 2.615 inches first end
End Nominal Length: 0.153 inches second end
End Nominal Diameter: 3.125 inches second end
First Step Nominal Length: 0.409 inches second end
First Step Nominal Diameter: 2.615 inches second end
Material: steel overall
Material Document And Classification: qq-s-624 fed spec single material response overall
Style Designator: one protruding hub, one recessed hub

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2520-00-423-0799	No Name Available	01/01/1960

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
19103	Spur Gear
203445	Spur Gear
2073103	Spur Gear
2E203445	Spur Gear
320357	Spur Gear
38829	Spur Gear
3BLA022	Spur Gear
42335R	Spur Gear
567426	Spur Gear
639518	Spur Gear
667036	Spur Gear
799433	Spur Gear
7EQ7100	Spur Gear
888122	Spur Gear
8B8122	Spur Gear
T93-12	Spur Gear
WT215-12	Spur Gear
WT254-12	Spur Gear

FAQs

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

What is the FSCG of the NSN 3020-00-274-4499?

The FSCG of the NSN 3020-00-274-4499 is 3020

Does the NSN 3020-00-274-4499 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-00-274-4499 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 3020-00-274-4499 contain precious materials?

Precious metal content is unknown

Does NSN 3020-00-274-4499 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 3020-00-274-4499 was assigned to the Federal Catalog?

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