C31SME40197-149

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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-217-3112

Item Name Code

13206

Assigment Date

09/24/1985 (40 years ago)

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends with threads of the same nominal diameter. All or part of the unthreaded section has a cross-sectional diameter greater than the nominal stud size plus 0.020 inches (0.508 mm). It may be thread relieved. See also stud, locked in.

0.1800 inches nominal flange width, 0.7500 inches nominal flange outside diameter, 0.5834 inches minimum and 0.5837 inches maximum body outside diameter, 1.1800 inches nominal overall length, 0.3280 inches nominal body inside diameter

Product Characteristics

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

Overall Length: 1.1800 inches nominal
Body Outside Diameter: 0.5834 inches minimum and 0.5837 inches maximum
Body Inside Diameter: 0.3280 inches nominal
Flange Outside Diameter: 0.7500 inches nominal
Flange Width: 0.1800 inches nominal
Corner Shape: chamfered outside right corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: undercut left flange body corner
Hardness Rating: 58.0 rockwell c minimum and 60.0 rockwell c maximum overall
Surface Finish: 32.0 microinches outside diameter surface of body
Special Features: has 4 ea 0.212 inch flats in pairs at 60 deg angle 0.187 inch apart at opposite sides 0.38 deep -body end
Material: steel comp h11 overall
Style Designator: solid, external flange one end

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
C31SME40197-129	Sleeve Bushing
C31SME40197-149	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-217-3112?

The FSCG of the NSN 3120-01-217-3112 is 3120

Does the NSN 3120-01-217-3112 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-217-3112 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 3120-01-217-3112 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-217-3112 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 3120-01-217-3112 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Tue, Sep 24, 1985