31W231 Sleeve Bearing

Comprehensive specifications and application details for: 31W231 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 31W231. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
31W231
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-350-2817
Item Name Code
13205
Federal Item Identification Guide
A045A0
Assigment Date
01/01/1963

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

round inside left corner corner shape, 1.4990 inches minimum and 1.5005 inches maximum body inside diameter, 1.8760 inches minimum and 1.8770 inches maximum body outside diameter, 2.7500 inches nominal overall length, 20.3 rockwell c minimum and 27.8 rockwell c maximum overall hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-350-2817 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
1.4990 inches minimum and 1.5005 inches maximum
Body Outside Diameter
1.8760 inches minimum and 1.8770 inches maximum
Corner Shape
round inside left corner
Hardness Rating
20.3 rockwell c minimum and 27.8 rockwell c maximum overall
Overall Length
2.7500 inches nominal
Material
steel overall
Special Features
material nitralloy steel grade g

Frequently Asked Questions

Find quick answers to common questions about bearing: 31W231. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-350-2817?
The FSCG of the NSN 3120-00-350-2817 is 3120
Does the NSN 3120-00-350-2817 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-350-2817 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 3120-00-350-2817 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-350-2817 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 3120-00-350-2817 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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