4G638 Sleeve Bearing

Comprehensive specifications and application details for: 4G638 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 4G638. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 4G638
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-385-9900
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.

square all corners corner shape, 2.4990 inches minimum and 2.5010 inches maximum body inside diameter, 1 hole and 1 slot antirotation/lubrication type and quantity, 0.2500 inches nominal first hole diameter, 3.7460 inches minimum and 3.7480 inches maximum body outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-385-9900 . Find dimensions, materials, tolerances, performance characteristics, etc.

Antirotation/Lubrication Type And Quantity: 1 hole and 1 slot
Body Inside Diameter: 2.4990 inches minimum and 2.5010 inches maximum
Body Outside Diameter: 3.7460 inches minimum and 3.7480 inches maximum
Corner Shape: square all corners
Hole Diameter: 0.2500 inches nominal first
Left Flange Outside Diameter: 3.8750 inches nominal
Left Flange Width: 0.2500 inches nominal
Overall Length: 2.5000 inches nominal
Material: copper alloy 836 outer layer
Right Flange Outside Diameter: 3.8750 inches nominal
Right Flange Width: 0.2500 inches nominal
Slot Width: 0.6250 inches nominal first
Slot Length: 3.8750 inches nominal first
Style Designator: segmented, external flanges both ends

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-385-9900?: The FSCG of the NSN 3120-00-385-9900 is 3120

Does the NSN 3120-00-385-9900 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-385-9900 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 3120-00-385-9900 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-385-9900 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.