578A Sleeve Bearing

Comprehensive specifications and application details for: 578A Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 578A. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 578A
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-661-8508
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.

1.4977 inches minimum and 1.4980 inches maximum body outside diameter, 1.2505 inches minimum and 1.2511 inches maximum body inside diameter, square left flange body corner corner shape, chamfered inside right corner corner shape, chamfered outside left corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-661-8508 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 1.2505 inches minimum and 1.2511 inches maximum
Body Outside Diameter: 1.4977 inches minimum and 1.4980 inches maximum
Corner Shape: chamfered inside right corner
Corner Shape: chamfered outside left corner
Corner Shape: square left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square inside left corner
Corner Shape: square outside right corner
Flange Outside Diameter: 1.6250 inches minimum and 1.6280 inches maximum
Flange Width: 0.1919 inches minimum and 0.2031 inches maximum
Overall Length: 1.9219 inches minimum and 1.9531 inches maximum
Material: copper alloy 932 or copper alloy 937 overall
Style Designator: solid, external flange one end
Surface Finish: 45.0 microinches inside diameter surface of body
Surface Finish: 65.0 microinches outside diameter surface of body

Replaces

The NSN 3120-00-661-8508 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-00-540-7283	No Name Available	01/26/1968

Frequently Asked Questions

Find quick answers to common questions about bearing: 578A. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-661-8508?: The FSCG of the NSN 3120-00-661-8508 is 3120

Does the NSN 3120-00-661-8508 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-661-8508 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 3120-00-661-8508 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-661-8508 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.