Model: 4B20S8-012

Sleeve Bushing

Special Features:

Groove optional in od 0.062 in. Max w, 0.005 in. Max deep

Properties:

Overall Length
0.8095 inches
Body Outside Diameter
Between 0.6260 inches and 0.6270 inches
Body Inside Diameter
Between 0.4995 inches and 0.5005 inches
Flange Outside Diameter
0.7500 inches
Flange Width
Between 0.0570 inches and 0.0620 inches
Corner Shape
Square all corners
Material
Steel comp 4130 or steel comp 4135
Material Specification
Mil-t-6736, cond h military specification 1st material response or ams6372 assn standard 2nd material response
Surface Treatment
Cadmium left end surface of body and flange and chromate left end surface of body and flange
Surface Treatment
Cadmium outside diameter surface of body and chromate outside diameter surface of body
Surface Treatment
Cadmium outside diameter surface of flange and chromate outside diameter surface of flange
Surface Treatment
Cadmium right end surface of body and chromate right end surface of body
Surface Treatment
Cadmium right end surface of left flange and chromate right end surface of left flange
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response outside diameter surface of body
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response outside diameter surface of flange
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response left end surface of body and flange
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response right end surface of body
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response right end surface of left flange
Style Designator
22c solid, external flange one end
Specification Data
43999-ld137-0008 manufacturers standard
NSN
3120-01-288-2146
Part Number
4B20S8-012
Description
Bushing,sleeve
CAGE
43999

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes bushing, drill, jig.

Part 4B20S8-012 NSN 3120-01-288-2146

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13206
FIIG:
A045A0
Concept No.:
App. Key:
K
Cond. Code:
2
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:
0.2000lbs
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:
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: 8482997060
  • SITC: 74699
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Parts, nesoi, for cylindrical roller bearings, nesoi

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