3040-01-315-7750

Find complete technical information, availability, and procurement data for: 3040-01-315-7750
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-01-315-7750

Item Name Code

18249

Assigment Date

02/23/1990 (36 years ago)

A tubular metal item designed primarily as a replaceable wear surface within the cylinder bore of a piston type internal combustion engine, compressor, or reciprocating pump.

not identical end similarity, 4 worm thread quantity, ball bearing type, 53.575 inches nominal overall length, 1 bearing 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: 53.575 inches nominal
Bearing Quantity: 1
Bearing Type: ball
Worm Thread Quantity: 4
Worm Thread Lead: 1.563 inches nominal
Worm Thread Direction: right-hand
Worm Pressure Angle In Deg: 14.500
Worm Helix Angle: 18 deg 26 min
Worm Outside Diameter: 1.997 inches nominal
Shaft Hardness Rating: 47.0 rockwell c minimum and 49.0 rockwell c maximum
Worm Thread Section Length: 37.512 inches nominal
Worm Body Tapered Bearing Surface End: not provided
Shaft Location: both ends of worm
Straight Unthreaded Length: 0.975 inches nominal first end, second portion
Straight Unthreaded Length: 11.470 inches nominal second end, first portion
Straight Unthreaded Length: 3.618 inches nominal first end, first portion
Straight Unthreaded Section Diameter: 1.771 inches nominal first end, second portion
Straight Unthreaded Section Diameter: 1.997 inches nominal first end, first portion
Straight Unthreaded Section Diameter: 1.997 inches nominal second end, first portion
Special Features: bearing not included; 1st end 2nd portion has 0.075 in. w,0.051 in. dp groove 0.145 in. from shaft; 2nd end has 0.390 in. w,0.750 in. dp slot thru shaft end
Material: steel corrosion resisting

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
18033	Worm Shaft

FAQs

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

What is the FSCG of the NSN 3040-01-315-7750?

The FSCG of the NSN 3040-01-315-7750 is 3040

Does the NSN 3040-01-315-7750 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-01-315-7750 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 3040-01-315-7750 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-01-315-7750 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 3040-01-315-7750 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Fri, Feb 23, 1990