Model: 4253F

Wire Wound Fixed Resistor

Properties:

Electrical Resistance
1.485 ohms
Resistance Tolerance In Percent
-10.000/+10.000
Fixed Tap Quantity
10
Ambient Tempurature In Deg Celsius At Full Rated Power
50.0
Ambient Tempurature In Deg Celsius At Zero Percent Rated Power
425.0
Inclosure Method
Uninclosed
Terminal Type
Threaded stud
Reactance Characteristic
Inductive
Reliability Indicator
Not established
Body Length
23.500 inches
Body Width
22.000 inches
Body Height
3.500 inches
Power Dissipation Rating In Watts
4247.000 free air
Section Resistance
0.135 ohms and 0.135 ohms and 0.135 ohms and 0.135 ohms and 0.135 ohms and 0.135 ohms and 0.135 ohms and 0.135 ohms and 0.135 ohms and 0.135 ohms and 0.135 ohms
Fixed Tap Terminal Type
Threaded stud
Style Designator
Terminals each end
Test Data Document
81349-milr15109b specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Nondefinitive Specification/std Data
R form
NSN
5905-00-549-2331
Part Number
4253F
Description
Resistor,fixed,wire Wound
CAGE
63743

A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of high resistance wire (or ribbon) either wound on an insulated form or constructed so as to be self supporting. Opposition to the flow of current is an inherent property of the resistance wire and is manifest by the heat dissipation in the resistor. Excludes suppressor, ignition interference.

Part 4253F NSN 5905-00-549-2331

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00010
FIIG:
A001A0
Concept No.:
1
App. Key:
B
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062960
UFC:
35140
LTL:
77.5
LCL:
77.5
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8533390080
  • SITC: 77233
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Wirewound variable resistors, nesoi

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