Model: 12H3446-7

Sleeve Bearing

Properties:

Overall Length
Between 0.4200 inches and 0.4350 inches
Body Outside Diameter
Between 0.3755 inches and 0.3760 inches
Body Inside Diameter
Between 0.2505 inches and 0.2515 inches
Flange Outside Diameter
0.5000 inches
Flange Width
Between 0.0450 inches and 0.0500 inches
Corner Shape
Square inside right corner
Corner Shape
Square inside left corner
Corner Shape
Square outside left corner
Corner Shape
Square left flange outside right corner
Corner Shape
Square outside right corner
Corner Shape
Undercut left flange body corner
Surface Finish
63.0 microinches outside diameter surface of body
Material
Plastic polyurethane inner layer
Material
Steel comp 630 outer layer
Style Designator
Solid, external flange one end
NSN
3120-01-083-2376
Part Number
12H3446-7
Description
Bearing,sleeve
CAGE
81755

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 12H3446-7 NSN 3120-01-083-2376

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114850
UFC:
58880
LTL:
70.0
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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