3040-00-731-5266

Find complete technical information, availability, and procurement data for: 3040-00-731-5266
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-731-5266

Item Name Code

27782

Assigment Date

02/21/1968 (58 years ago)

1.052 inches minimum and 1.072 inches maximum first end hub outside diameter, 0.100 inches nominal shoulder width, 1.810 inches minimum and 1.811 inches maximum second end hub outside diameter, 3.312 inches nominal shoulder outside diameter, 0.752 inches minimum and 0.753 inches maximum hub inside diameter

Product Characteristics

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

Shoulder Width: 0.100 inches nominal
Shoulder Outside Diameter: 3.312 inches nominal
Hub Inside Diameter: 0.752 inches minimum and 0.753 inches maximum
First End Hub Outside Diameter: 1.052 inches minimum and 1.072 inches maximum
Second End Hub Outside Diameter: 1.810 inches minimum and 1.811 inches maximum
Distance From First End Hub To Shoulder: 0.770 inches minimum and 0.780 inches maximum
Distance From Second End Hub To Shoulder: 0.365 inches minimum and 0.385 inches maximum
Special Features: 2nd end id 1.552 in.min,1.572 in.max;one internal keyway at zero deg on aa end 0.127 in.nom w;0.410 in.max distance from bore center to key bottom;flange scalloped between bolt holes by 2.000 in.radius;securing hole qty:4;angle between centerlines of securing holes in deg:90.0 degs;material hardness rating:26.0 to 33.0 rockwell c;o/a length:1.245 in.nim,1.250 in.max;securing hole size:0.266 in.dia
Material: steel
Material Document And Classification: comp 4130 fed spec single material response
Surface Treatment: chromate
Style Designator: double hub, split and solid

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
6435-60020-101	Body Hub

FAQs

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

What is the FSCG of the NSN 3040-00-731-5266?

The FSCG of the NSN 3040-00-731-5266 is 3040

Does the NSN 3040-00-731-5266 have a Schedule B code assigned?

Yes, the Schedule B code is 8483905000

Does NSN 3040-00-731-5266 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 3040-00-731-5266 contain precious materials?

Precious metal content is unknown

Does NSN 3040-00-731-5266 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 3040-00-731-5266 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Feb 21, 1968