Model: 3256643-1

Sleeve Bearing

Properties:

Overall Length
0.4370 inches
Body Outside Diameter
Between 0.3740 inches and 0.3750 inches
Body Inside Diameter
Between 0.2500 inches and 0.2510 inches
Left Flange Outside Diameter
0.5000 inches
Right Flange Outside Diameter
0.5000 inches
Left Flange Width
0.0770 inches
Right Flange Width
0.0800 inches
Corner Shape
Square all corners
Surface Finish
32.0 microinches inside diameter surface of body
Surface Finish
32.0 microinches outside diameter surface of body
Material
Copper alloy 841
Material Specification
Mil-b-5687 type 1 grade 1 military specification single material response
Style Designator
18c solid, external flanges both ends
NSN
3120-01-274-5741
Part Number
3256643-1
Description
Bearing,sleeve
CAGE
10001

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.

Part 3256643-1 NSN 3120-01-274-5741

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13205
FIIG:
A045A0
Concept No.:
App. Key:
D
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114800
UFC:
58850
LTL:
RATING VARIABLE
LCL:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8482997090
  • SITC: 74699
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Parts, nesoi, for roller bearings or for combined ball/roller bearings, nesoi

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