3040-00-765-2221

Find complete technical information, availability, and procurement data for: 3040-00-765-2221
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-765-2221

Item Name Code

18249

Assigment Date

01/01/1962 (64 years ago)

30.0 rockwell c minimum and 35.0 rockwell c maximum teeth hardness rating, 3.270 inches nominal overall length, 1 worm thread quantity, not identical end similarity, spherical second end, fifth portion section shape

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: 3.270 inches nominal
Teeth Hardness Rating: 30.0 rockwell c minimum and 35.0 rockwell c maximum
Section Shape: spherical second end, fifth portion
Worm Thread Quantity: 1
Worm Thread Lead: 0.100 inches nominal
Worm Thread Direction: right-hand
Worm Pressure Angle In Deg: 29.000
Worm Helix Angle: 3 deg 39 min
Worm Outside Diameter: 0.563 inches nominal
Worm Pitch Diameter: 0.500 inches nominal
Shaft Hardness Rating: 30.0 rockwell c minimum and 35.0 rockwell c maximum
Worm Thread Section Length: 0.570 inches nominal
Worm Body Length: 0.570 inches nominal
Worm Body Tapered Bearing Surface End: not provided
Shaft Location: both ends of worm
Straight Unthreaded Length: 0.0469 inches nominal second end, third portion
Straight Unthreaded Length: 0.0838 inches nominal first end, first portion
Straight Unthreaded Length: 0.220 inches nominal second end, second portion
Straight Unthreaded Length: 0.3593 inches nominal first end, third portion
Straight Unthreaded Length: 0.469 inches nominal first end, second portion
Straight Unthreaded Length: 0.730 inches nominal second end, first portion
Straight Unthreaded Length: 0.7531 inches nominal second end, fourth portion
Straight Unthreaded Section Diameter: 0.240 inches nominal first end, second portion
Straight Unthreaded Section Diameter: 0.2500 inches nominal first end, third portion
Straight Unthreaded Section Diameter: 0.270 inches nominal second end, third portion
Straight Unthreaded Section Diameter: 0.3050 inches nominal second end, second portion
Straight Unthreaded Section Diameter: 0.2812 inches nominal second end, fourth portion
Straight Unthreaded Section Diameter: 0.320 inches nominal first end, first portion
Straight Unthreaded Section Diameter: 0.320 inches nominal second end, first portion
Unthreaded Section Pin Hole Diameter: 0.1090 inches nominal second end, fourth portion
Shaft Section Size: 0.625 in. across flats
Material: steel corrosion resisting
Surface Treatment: passivate
Fsc Application Data: elevation quadrant,fire control,antiaircraft

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
1290007652221	Worm Shaft
7652221	Worm Shaft

FAQs

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

What is the FSCG of the NSN 3040-00-765-2221?

The FSCG of the NSN 3040-00-765-2221 is 3040

Does the NSN 3040-00-765-2221 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-765-2221 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 3040-00-765-2221 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-00-765-2221 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 3040-00-765-2221 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962