3040-00-257-0470

Find complete technical information, availability, and procurement data for: 3040-00-257-0470
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-257-0470

Item Name Code

13743

Assigment Date

01/01/1963 (63 years ago)

0.250 inches nominal thickness, 0.750 inches nominal outside diameter, 0.281 inches nominal distance from bore centerline to end, 0.2510 inches minimum and 0.2520 inches maximum bore diameter, 0.594 inches nominal small end diameter

Product Characteristics

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

Outside Diameter: 0.750 inches nominal
Thickness: 0.250 inches nominal
Small End Diameter: 0.594 inches nominal
Bore Diameter: 0.2510 inches minimum and 0.2520 inches maximum
Distance From Bore Centerline To End: 0.281 inches nominal
Largest Diameter Length: 0.052 inches minimum and 0.057 inches maximum
Securing Hole Quantity: 2
Angle Between Centerlines Of Securing Holes In Deg: 120.0
Screw Thread Series Designator And Location: single hole unc
Securing Hole Type And Location: threaded single hole
Nominal Thread Size And Location: unable to decode
Material: copper alloy 360
Material Document And Classification: qq-b-626, alloy 360, 1/2h fed spec single material response
Surface Treatment: chromium
Style Designator: round stepped

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
GB2452-2	Shaft Collar
SCB42071	Shaft Collar

FAQs

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

What is the FSCG of the NSN 3040-00-257-0470?

The FSCG of the NSN 3040-00-257-0470 is 3040

Does NSN 3040-00-257-0470 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 3040-00-257-0470 contain precious materials?

Precious metal content is unknown

Does NSN 3040-00-257-0470 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 3040-00-257-0470 was assigned to the Federal Catalog?

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