8666539

View detailed technical data, stock status, and sourcing information for: 8666539
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-695-6156

Item Name Code

05463

Assigment Date

01/01/1963 (63 years ago)

A nut formed from sheet spring material, usually steel, into varying flat, concave, bent or curved designs, having apertures with suitable boss or bosses usually on the upper side capable of securely gripping a mating threaded member. Excludes:nut (1), stamped.

plain, solid body style, 21 both ends spline quantity, 30 teeth quantity, mounting hole attachment method, 3.0000 inches nominal pitch diameter

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: 21 both ends
Attachment Method: mounting hole
Pitch Diameter: 3.0000 inches nominal
Teeth Quantity: 30
Bore Style: involute spline both ends
Spline Pitch Diameter: 0.8750 inches nominal both ends
Hardness Rating: 58.0 rockwell c minimum and 62.0 rockwell c maximum overall
Mounting Hole Type And Quantity: 4 plain transversely through hub, first end
Nominal Outside Diameter: 3.0923 inches
Nominal Overall Length: 3.019 inches
Teeth Type: straight
Pressure Angle: 20.0000 degrees
Pitch Angle: 53.7461 degrees
Nominal Distance Between Body Face And Protruding Hub End: 2.400 inches second end
Body Recess Nominal Depth: 0.3090 inches first end
Face Nominal Width: 0.500 inches
Bore Nominal Diameter: 0.892 inches both ends
Bore Nominal Depth: 2.710 inches both ends
Counterbore Nominal Depth: 0.985 inches first end
Counterbore Nominal Diameter: 0.6600 inches first end
Hub Style Designator: 1 groove second end
End Nominal Diameter: 1.309 inches second end
First Groove Nominal Width: 0.620 inches second end
First Groove Nominal Diameter: 1.220 inches second end
Nominal Distance From End To First Groove: 0.620 inches second end
Mounting Hole Nominal Diameter: 0.152 inches transversely through hub, first end
Special Features: tooth pressure angle 30.0 deg
Material: steel comp 8615 overall
Material Document And Classification: 66,aisi/sae 8615 fed std single material response overall
Style Designator: peripheral face, back hub protruding

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
525799	Bevel Gear
8666539	Bevel Gear

FAQs

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

What is the FSCG of the NSN 3020-00-695-6156?

The FSCG of the NSN 3020-00-695-6156 is 3020

Does the NSN 3020-00-695-6156 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-00-695-6156 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 3020-00-695-6156 contain precious materials?

Item does not contain precious metal.

Does NSN 3020-00-695-6156 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 3020-00-695-6156 was assigned to the Federal Catalog?

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