3040-00-039-8406

Find complete technical information, availability, and procurement data for: 3040-00-039-8406

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3040-00-039-8406
Federal Supply Group
Mechanical Power Transmission Equipment
National Stock Number
3040-00-039-8406
Item Name Code
18249
Assigment Date
01/01/1963 (63 years ago)

A drive shaft having helical thread(s) on a portion of its outer surface, machined bearing surface(s) and facilities for driving (other than a hub) on one or both ends of shaft. Designed to mate with a cam, gear sector, worm wheel, and the like. Icludes items with bearings. Excludes:items having more than on worm complement of helical threads, items with a separate complement of gear teeth, and gear, worm.

4.250 inches nominal overall length, 8 worm thread quantity, 0.0982 inches nominal worm thread lead, not identical end similarity, right-hand worm thread direction

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
4.250 inches nominal
Worm Thread Quantity
8
Worm Thread Lead
0.0982 inches nominal
Worm Thread Direction
right-hand
Worm Pressure Angle In Deg
14.500
Worm Helix Angle
3 deg,34 min
Worm Outside Diameter
0.562 inches nominal
Worm Pitch Diameter
0.500 inches nominal
Worm Thread Section Length
0.813 inches nominal
Worm Body Length
0.906 inches nominal
Worm Body Tapered Bearing Surface End
not provided
Shaft Location
both ends of worm
Straight Unthreaded Length
1.506 inches nominal first end, first portion
Straight Unthreaded Length
1.845 inches minimum second end, first portion
Straight Unthreaded Length
1.851 inches maximum second end, first portion
Straight Unthreaded Section Diameter
0.365 inches nominal second end, first portion
Straight Unthreaded Section Diameter
0.3743 inches minimum first end, first portion
Straight Unthreaded Section Diameter
0.3748 inches maximum first end, second portion
Unthreaded Section Pin Hole Diameter
0.1562 inches minimum second end, first portion
Unthreaded Section Pin Hole Diameter
0.1567 inches maximum second end, second portion
Material
steel
Fsc Application Data
turret electrical control,combat vehicle

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
500099 Worm Shaft
7369332 Worm Shaft

FAQs

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

What is the FSCG of the NSN 3040-00-039-8406?
The FSCG of the NSN 3040-00-039-8406 is 3040
Does the NSN 3040-00-039-8406 have a Schedule B code assigned?
Yes, the Schedule B code is 8483105000
Does NSN 3040-00-039-8406 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 3040-00-039-8406 contain precious materials?
Precious metal content is unknown
Does NSN 3040-00-039-8406 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 3040-00-039-8406 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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