3040-00-056-9667

Find complete technical information, availability, and procurement data for: 3040-00-056-9667
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-056-9667

Item Name Code

27781

Assigment Date

05/30/1967 (59 years ago)

An item designed to be mounted around the extended hub portion of a gear, wheel, or the like, to retain it securely to a shaft by compressing the slotted hub body. The item may also be used to clamp around a shaft, or the like, to prevent end motion or to retain it in position. Its compression quality is derived from a screw(s) or bolt(s) which may be a part of the item of supply. For items designed to secure directly to a shaft by use of setscrews, pins, or the like, see collar, shaft. Excludes:clamp, loop.

0.688 inches nominal outside diameter, 0.0890 inches nominal plain hole diameter, 0.3130 inches nominal bore diameter, 0.156 inches nominal thickness, dynamic balance type

Product Characteristics

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

Outside Diameter: 0.688 inches nominal
Thickness: 0.156 inches nominal
Bore Diameter: 0.3130 inches nominal
Plain Hole Diameter: 0.0890 inches nominal
Balance Type: dynamic
Clamp Securing Hole Style: threaded
Screw Thread Series Designator: unc
Nominal Thread Size: 0.086 inches
Material: aluminum alloy 2024
Material Document And Classification: qq-a-200/3, alloy 2024, t4 fed spec single material response
Surface Treatment: anodize
Style Designator: round sectional, two bolt secured

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
7400037-4	Hub Clamp
CL40-4	Hub Clamp

FAQs

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

What is the FSCG of the NSN 3040-00-056-9667?

The FSCG of the NSN 3040-00-056-9667 is 3040

Does NSN 3040-00-056-9667 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 3040-00-056-9667 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-00-056-9667 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 3040-00-056-9667 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, May 30, 1967