Model: 3W21253-101

Sleeve Bushing

Special Features:

Used in wing c-141 a/c

Properties:

Overall Length
1.2000 inches
Body Outside Diameter
Between 0.8138 inches and 0.8145 inches
Body Inside Diameter
Between 0.6840 inches and 0.6920 inches
Left Internal Flange Hole Diameter
0.4400 inches
Left Internal Flange Width
0.2000 inches
Corner Shape
Chamfered inside right corner
Corner Shape
Square inside left corner
Corner Shape
Square outside left corner
Corner Shape
Square outside right corner
Keyway Dimension
0.2800 inches internal keyway width
Keyway Dimension
0.1000 inches internal keyway depth
Keyway Dimension
0.2000 inches internal keyway length
Material
Steel comp 4140
Style Designator
17c-1 solid, plain, no outside flanges, internal flange one end
NSN
3120-01-249-8658
Part Number
3W21253-101
Description
Bushing,sleeve
CAGE
98897

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 3W21253-101 NSN 3120-01-249-8658

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:
N

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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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