Model: B438

Sleeve Bearing

Properties:

Overall Length
Between 0.4320 inches and 0.4420 inches
Body Outside Diameter
Between 0.6270 inches and 0.6280 inches
Body Inside Diameter
Between 0.5010 inches and 0.5020 inches
Lubrication Material
Lubricating oil
Flange Outside Diameter
Between 0.7475 inches and 0.7525 inches
Flange Width
Between 0.0600 inches and 0.0650 inches
Corner Shape
Square inside right corner
Corner Shape
Square left flange body corner
Corner Shape
Square inside left corner
Corner Shape
Square left flange outside right corner
Corner Shape
Square outside left corner
Corner Shape
Square outside right corner
Hardness Rating
30.0 rockwell c and 70.0 rockwell c
Material
Copper alloy or iron comp b or iron comp a1 or iron comp a2 or iron comp a3
Material Specification
Mil-b-5687, type 1, comp a or b military specification all material responses
Style Designator
22c solid, external flange one end
Style Designator
Solid, external flange one end
NSN
3120-00-135-9688
Part Number
B438
Description
Bearing,sleeve
CAGE
81346

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 B438 NSN 3120-00-135-9688

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114870
UFC:
58890
LTL:
77.5
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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