3040-00-391-7376

Find complete technical information, availability, and procurement data for: 3040-00-391-7376
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-391-7376

Item Name Code

18249

Assigment Date

03/28/1974 (52 years ago)

17.828 inches nominal overall length, 20.000 worm pressure angle in deg, right-hand worm thread direction, 2 worm thread quantity, 2.375 inches nominal worm thread lead

Product Characteristics

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

Overall Length: 17.828 inches nominal
Worm Thread Quantity: 2
Worm Thread Lead: 2.375 inches nominal
Worm Thread Direction: right-hand
Worm Pressure Angle In Deg: 20.000
Worm Helix Angle: 60 deg
Worm Outside Diameter: 1.186 inches nominal
Worm Thread Section Length: 7.375 inches nominal
Worm Body Tapered Bearing Surface End: not provided
Shaft Location: one end of worm
Straight Unthreaded Length: 1.125 inches nominal first end, second portion
Straight Unthreaded Length: 1.625 inches nominal first end, first portion
Straight Unthreaded Length: 3.710 inches nominal first end, fourth portion
Straight Unthreaded Length: 4.000 inches nominal first end, third portion
Straight Unthreaded Section Diameter: 0.700 inches nominal first end, first portion
Straight Unthreaded Section Diameter: 0.875 inches nominal first end, fourth portion
Straight Unthreaded Section Diameter: 1.000 inches nominal first end, third portion
Straight Unthreaded Section Diameter: 1.285 inches nominal first end, second portion
Unthreaded Section Keyway Width: 0.1890 inches nominal first end, fourth portion
Unthreaded Section Keyway Depth: 0.109 inches nominal first end, fourth portion
Material: steel

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
DSC118BF	Worm Shaft

FAQs

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

What is the FSCG of the NSN 3040-00-391-7376?

The FSCG of the NSN 3040-00-391-7376 is 3040

Does the NSN 3040-00-391-7376 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-391-7376 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 3040-00-391-7376 contain precious materials?

Precious metal content is unknown

Does NSN 3040-00-391-7376 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 3040-00-391-7376 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Thu, Mar 28, 1974