74870 Sleeve Bearing

Comprehensive specifications and application details for: 74870 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 74870. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 74870
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-977-1047
Item Name Code: 13205
Federal Item Identification Guide: A045A0
Assigment Date: 02/26/1968

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 left flange outside right corner corner shape, 0.5003 inches minimum and 0.5008 inches maximum body outside diameter, relief groove left flange body corner corner shape, square outside left corner corner shape, 0.2500 inches minimum and 0.2504 inches maximum body inside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-977-1047 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 0.2500 inches minimum and 0.2504 inches maximum
Body Outside Diameter: 0.5003 inches minimum and 0.5008 inches maximum
Corner Shape: relief groove left flange body 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: square outside right corner
End Item Identification: t53 mfr 2915-01-216-9779; fuel control, main, turbine engine
Flange Outside Diameter: 0.5510 inches minimum and 0.5570 inches maximum
Flange Width: 0.0300 inches minimum and 0.0460 inches maximum
Lubricant Accommodation Style: grooved circular
Overall Length: 0.3450 inches minimum and 0.3550 inches maximum
Material Document And Classification: ams4122 assn std single material response overall
Material: aluminum alloy 7075 overall
Style Designator: solid, external flange one end
Surface Finish: 250.0 microinches left end surface of body and flange
Surface Finish: 250.0 microinches outside diameter surface of flange
Surface Finish: 250.0 microinches right end surface of body
Surface Finish: 250.0 microinches right end surface of left flange
Surface Finish: 32.0 microinches inside diameter surface of body
Surface Finish: 32.0 microinches outside diameter surface of body
Surface Groove Location And Quantity: 1 internal
Surface Treatment: anodize overall

Frequently Asked Questions

Find quick answers to common questions about bearing: 74870. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-977-1047?: The FSCG of the NSN 3120-00-977-1047 is 3120

Does the NSN 3120-00-977-1047 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-977-1047 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 3120-00-977-1047 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-977-1047 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.