2578511-001A

Comprehensive specifications and application details for: 2578511-001A Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 2578511-001A. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
2578511-001A
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-451-5251
Item Name Code
13205
Federal Item Identification Guide
A045A0
Assigment Date
06/02/1971

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.

1.9940 inches minimum and 1.9990 inches maximum body inside diameter, 2.2500 inches nominal body outside diameter, chamfered inside left corner corner shape, 2 hole antirotation/lubrication type and quantity, chamfered outside right corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-451-5251 . Find dimensions, materials, tolerances, performance characteristics, etc.

Antirotation/Lubrication Type And Quantity
2 hole
Body Inside Diameter
1.9940 inches minimum and 1.9990 inches maximum
Body Outside Diameter
2.2500 inches nominal
Corner Shape
chamfered outside right corner
Corner Shape
chamfered inside left 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 right corner
Flange Outside Diameter
2.6880 inches nominal
Flange Width
0.1560 inches nominal
Hole Diameter
0.0600 inches nominal first
Lubricant Accommodation Style
grooved circular
Overall Length
1.0360 inches nominal
Material
copper alloy 172 or copper alloy 173 overall
Style Designator
solid, external flange one end
Surface Finish
125.0 microinches overall
Test Data Document
"81349-mil-i-6866 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

Frequently Asked Questions

Find quick answers to common questions about bearing: 2578511-001A. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-451-5251?
The FSCG of the NSN 3120-00-451-5251 is 3120
Does the NSN 3120-00-451-5251 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-451-5251 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 3120-00-451-5251 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-451-5251 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 3120-00-451-5251 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Wed, Jun 2, 1971

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Sleeve Bushing