C1

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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-914-7516

Item Name Code

27781

Assigment Date

01/01/1960 (66 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

0.1830 inches nominal counterbore diameter, 0.750 inches nominal outside diameter, 0.245 inches nominal thickness, 0.1120 inches nominal counterbore depth, 0.1880 inches minimum and 0.1890 inches maximum bore diameter

Product Characteristics

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

Counterbore Diameter: 0.1830 inches nominal
Counterbore Depth: 0.1120 inches nominal
Outside Diameter: 0.750 inches nominal
Thickness: 0.245 inches nominal
Bore Diameter: 0.1880 inches minimum and 0.1890 inches maximum
Plain Hole Diameter: 0.1120 inches nominal
Clamp Securing Hole Style: threaded
Screw Thread Series Designator: unc
Nominal Thread Size: 0.112 inches
Special Features: furnished w/ onescrew,cap,socket head
Material: aluminum alloy 2024
Material Document And Classification: qq-a-250/4, alloy 2024, t4 fed spec single material response
Surface Treatment: anodize
Style Designator: round, single 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
500757	Hub Clamp
C1	Hub Clamp

FAQs

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

What is the FSCG of the NSN 3040-00-914-7516?

The FSCG of the NSN 3040-00-914-7516 is 3040

Does NSN 3040-00-914-7516 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 3040-00-914-7516 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-00-914-7516 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 3040-00-914-7516 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960