Model: NAS538B4-25

Sleeve Bushing

Properties:

Overall Length
Between 0.305 inches and 0.310 inches
Body Outside Diameter
0.376 inches
Body Inside Diameter
Between 0.238 inches and 0.243 inches
Flange Outside Diameter
0.510 inches
End Application
Improved target acquisition system (itas)
Flange Width
Between 0.055 inches and 0.060 inches
Corner Shape
Chamfered first outside corner
Corner Shape
Chamfered fourth outside corner
Corner Shape
Chamfered second outside corner
Corner Shape
Chamfered third outside corner
Corner Shape
Square first inside corner
Corner Shape
Square fourth inside corner
Corner Shape
Square second inside corner
Corner Shape
Square third inside corner
Part Name Assigned By Controlling Agency
Bushing, flanged, press fit, undersize inside diameter
Material
Aluminum alloy
Material Specification
Astm b150/b 150m, condition hr50 assn standard single material response or ams 4640, aluminum bronge allowy 642 or 630 assn standard single material response
Style Designator
22c solid, external flange one end
NSN
3120-01-617-1444
Part Number
NAS538B4-25
Description
Bushing,sleeve
CAGE
80205

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 NAS538B4-25 NSN 3120-01-617-1444

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:
A
ESD:
A
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114800
UFC:
58850
LTL:
RATING VARIABLE
LCL:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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