3040-00-585-8590

Find complete technical information, availability, and procurement data for: 3040-00-585-8590
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-585-8590

Item Name Code

18249

Assigment Date

01/01/1963 (63 years ago)

1.800 inches nominal worm thread lead, 39.0 rockwell c minimum and 42.0 rockwell c maximum teeth hardness rating, 3 worm thread quantity, not identical end similarity, 18.500 inches nominal overall length

Product Characteristics

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

End Similarity: not identical
Overall Length: 18.500 inches nominal
Teeth Hardness Rating: 39.0 rockwell c minimum and 42.0 rockwell c maximum
Worm Thread Quantity: 3
Worm Thread Lead: 1.800 inches nominal
Worm Thread Direction: right-hand
Worm Pressure Angle In Deg: 25.000
Worm Helix Angle: 15 deg 54 min 37.46 sec
Worm Outside Diameter: 2.312 inches minimum and 2.314 inches maximum
Worm Pitch Diameter: 2.010 inches nominal
Shaft Hardness Rating: 39.0 rockwell c minimum and 42.0 rockwell c maximum
Worm Thread Section Length: 6.500 inches nominal
Worm Body Length: 9.062 inches nominal
Worm Body Tapered Bearing Surface End: not provided
Shaft Location: both ends of worm
Straight Unthreaded Length: 0.056 inches minimum first end, second portion
Straight Unthreaded Length: 0.060 inches maximum first end, second portion
Straight Unthreaded Length: 0.068 inches minimum second end, third portion
Straight Unthreaded Length: 0.072 inches maximum second end, third portion
Straight Unthreaded Length: 0.240 inches nominal second end, fourth portion
Straight Unthreaded Length: 0.250 inches nominal second end, first portion
Straight Unthreaded Length: 0.828 inches nominal first end, first portion
Straight Unthreaded Length: 0.928 inches maximum first end, third portion
Straight Unthreaded Length: 0.924 inches minimum first end, third portion
Straight Unthreaded Length: 1.438 inches maximum second end, second portion
Straight Unthreaded Length: 1.437 inches minimum second end, second portion
Straight Unthreaded Length: 6.250 inches nominal second end, fifth portion
Straight Unthreaded Section Diameter: 1.306 inches minimum first end, second portion
Straight Unthreaded Section Diameter: 1.314 inches maximum first end, second portion
Straight Unthreaded Section Diameter: 1.3781 inches minimum first end, first portion
Straight Unthreaded Section Diameter: 1.3785 inches maximum first end, first portion
Straight Unthreaded Section Diameter: 1.4995 inches minimum second end, fifth portion
Straight Unthreaded Section Diameter: 1.485 inches minimum second end, third portion
Straight Unthreaded Section Diameter: 1.495 inches maximum second end, third portion
Straight Unthreaded Section Diameter: 1.5000 inches maximum second end, fifth portion
Straight Unthreaded Section Diameter: 1.5749 inches minimum second end, fourth portion
Straight Unthreaded Section Diameter: 1.5749 inches minimum second end, second portion
Straight Unthreaded Section Diameter: 1.5753 inches maximum second end, fourth portion
Straight Unthreaded Section Diameter: 1.5753 inches maximum second end, second portion
Straight Unthreaded Section Diameter: 2.000 inches nominal second end, first portion
Unthreaded Section Keyway Width: 0.3700 inches minimum second end, fifth portion
Unthreaded Section Keyway Width: 0.3720 inches maximum second end, fifth portion
Unthreaded Section Keyway Depth: 0.1875 inches nominal second end, fifth portion
Material: steel
Material Document And Classification: b50a-400-j, general electric co mfr ref single material response
Fsc Application Data: steam turbine

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
741C289-1	Worm Shaft
741C289PC1	Worm Shaft

FAQs

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

What is the FSCG of the NSN 3040-00-585-8590?

The FSCG of the NSN 3040-00-585-8590 is 3040

Does the NSN 3040-00-585-8590 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-585-8590 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 3040-00-585-8590 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-00-585-8590 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 3040-00-585-8590 was assigned to the Federal Catalog?

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