3120-00-723-1343

Find complete technical information, availability, and procurement data for: 3120-00-723-1343
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-723-1343

Item Name Code

13206

Assigment Date

01/01/1963 (63 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

0.8080 inches minimum and 0.8090 inches maximum body outside diameter, 0.5010 inches minimum and 0.5020 inches maximum body inside diameter, 0.1406 inches minimum and 0.1562 inches maximum flange width, 1.0938 inches nominal flange outside diameter, 0.5312 inches nominal overall length

Product Characteristics

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

Overall Length: 0.5312 inches nominal
Body Outside Diameter: 0.8080 inches minimum and 0.8090 inches maximum
Body Inside Diameter: 0.5010 inches minimum and 0.5020 inches maximum
Flange Outside Diameter: 1.0938 inches nominal
Flange Width: 0.1406 inches minimum and 0.1562 inches maximum
Corner Shape: square all corners
Hardness Rating: 40.0 rockwell c minimum and 46.0 rockwell c maximum overall
Surface Finish: 125.0 microinches outside diameter surface of flange
Surface Finish: 125.0 microinches left end surface of body and flange
Surface Finish: 125.0 microinches right end surface of body
Surface Finish: 125.0 microinches right end surface of left flange
Surface Finish: 63.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches outside diameter surface of body
Keyway Dimension: 0.0710 inches minimum and 0.0820 inches maximum external keyway depth
Keyway Dimension: 0.0950 inches minimum and 0.0970 inches maximum external keyway width
Keyway Dimension: 0.5312 inches nominal external keyway length
Material: steel comp 4140 or steel comp 4150 overall
Surface Treatment: phosphate overall