Model: 4M98-3-2-21

Sleeve Bushing

Properties:

Overall Length
Between 0.2050 inches and 0.2100 inches
Body Outside Diameter
Between 0.2500 inches and 0.2511 inches
Body Inside Diameter
Between 0.2000 inches and 0.2030 inches
Flange Outside Diameter
Between 0.3000 inches and 0.3200 inches
Flange Width
Between 0.0300 inches and 0.0350 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
32.0 rockwell c and 38.0 rockwell c
Surface Finish
125.0 microinches intermediate layer
Material
Steel comp 4130
Material Specification
Mil-t-6736 military specification single material response or mil-s-6758, d4 military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ps 13101, type 2, cl 3, mcdonnell douglas corporation mfr ref single treatment response
Style Designator
22c solid, external flange one end
NSN
3120-00-914-7108
Part Number
4M98-3-2-21
Description
Bushing,sleeve
CAGE
76301

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 4M98-3-2-21 NSN 3120-00-914-7108

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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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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