3040-00-546-9721

Find complete technical information, availability, and procurement data for: 3040-00-546-9721
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-546-9721

Item Name Code

18249

Assigment Date

01/01/1963 (63 years ago)

right-hand worm thread direction, not identical end similarity, 0.063 inches nominal worm thread lead, 3.687 inches nominal overall length, 7 worm thread quantity

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: 3.687 inches nominal
Worm Thread Quantity: 7
Worm Thread Lead: 0.063 inches nominal
Worm Thread Direction: right-hand
Worm Pressure Angle In Deg: 14.500
Worm Helix Angle: 3 degrees 24 minutes
Worm Outside Diameter: 0.374 inches nominal
Worm Pitch Diameter: 0.332 inches minimum and 0.334 inches maximum
Worm Thread Section Length: 0.437 inches nominal
Worm Body Tapered Bearing Surface End: not provided
Shaft Location: both ends of worm
Straight Unthreaded Length: 0.046 inches nominal second end, fourth portion
Straight Unthreaded Length: 0.218 inches nominal second end, second portion
Straight Unthreaded Length: 0.250 inches nominal first end, first portion
Straight Unthreaded Length: 0.328 inches nominal second end, third portion
Straight Unthreaded Length: 0.298 inches nominal second end, first portion
Straight Unthreaded Length: 0.735 inches nominal second end, fifth portion
Straight Unthreaded Length: 1.375 inches nominal first end, second portion
Straight Unthreaded Section Diameter: 0.234 inches nominal second end, second portion
Straight Unthreaded Section Diameter: 0.249 inches nominal first end, second portion
Straight Unthreaded Section Diameter: 0.249 inches nominal second end, fifth portion
Straight Unthreaded Section Diameter: 0.260 inches nominal first end, first portion
Straight Unthreaded Section Diameter: 0.260 inches nominal second end, first portion
Straight Unthreaded Section Diameter: 0.260 inches nominal second end, fourth portion
Straight Unthreaded Section Diameter: 0.438 inches nominal second end, third portion
Unthreaded Section Pin Hole Diameter: 0.0780 inches nominal first end, second portion
Unthreaded Section Pin Hole Diameter: 0.0780 inches nominal second end, fifth portion
Material: copper alloy 511

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
8211668	Worm Shaft

FAQs

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

What is the FSCG of the NSN 3040-00-546-9721?

The FSCG of the NSN 3040-00-546-9721 is 3040

Does the NSN 3040-00-546-9721 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-546-9721 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 3040-00-546-9721 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-00-546-9721 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 3040-00-546-9721 was assigned to the Federal Catalog?

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