254881-7

Comprehensive specifications and application details for: 254881-7 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 254881-7. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
254881-7
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-218-3392
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.

1.1255 inches nominal body inside diameter, chamfered outside right corner corner shape, chamfered outside left corner corner shape, 1 slot antirotation/lubrication type and quantity, 1.8735 inches nominal body outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-218-3392 . Find dimensions, materials, tolerances, performance characteristics, etc.

Antirotation/Lubrication Type And Quantity
1 slot
Body Inside Diameter
1.1255 inches nominal
Body Outside Diameter
1.8735 inches nominal
Corner Shape
chamfered outside right corner
Corner Shape
chamfered outside left corner
Corner Shape
square center flange left body corner
Corner Shape
square center flange outside left corner
Corner Shape
square center flange outside right corner
Corner Shape
square center flange right body corner
Corner Shape
square inside left corner
Corner Shape
square inside right corner
End To Flange Distance
0.5625 inches nominal
Flange Outside Diameter
2.0930 inches nominal
Flange Width
0.4315 inches nominal
Lubricant Accommodation Style
grooved open one end
Overall Length
1.7500 inches nominal
Material Document And Classification
qq-c-390,alloy x9 fed spec single material response overall
Material
copper alloy 964 overall
Material
lubricant lubrication
Slot Length
1.5625 inches nominal first
Slot Width
0.1250 inches nominal first
Special Features
extra flange 0.2450 in. w,1.1562 in. r on right side to 0.0625 in. of bore center
Style Designator
split, external flange
Surface Finish
125.0 microinches outside diameter surface of body
Surface Finish
125.0 microinches outside diameter surface of flange
Surface Finish
125.0 microinches left end surface of body
Surface Finish
125.0 microinches left end surface of flange
Surface Finish
125.0 microinches right end surface of body
Surface Finish
32.0 microinches inside diameter surface of body
Surface Groove Location And Quantity
2 internal

Frequently Asked Questions

Find quick answers to common questions about bearing: 254881-7. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-218-3392?
The FSCG of the NSN 3120-00-218-3392 is 3120
Does the NSN 3120-00-218-3392 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-218-3392 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 3120-00-218-3392 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-218-3392 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 3120-00-218-3392 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

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