Model: 57-449

Nonind Wire Wound Fixed Resistor

Properties:

Electrical Resistance
0.520 ohms
Resistance Tolerance In Percent
-10.000/+10.000
Fixed Tap Quantity
2
Ambient Tempurature In Deg Celsius At Full Rated Power
50.0
Ambient Tempurature In Deg Celsius At Zero Percent Rated Power
400.0
Inclosure Method
Uninclosed
Terminal Type
Tab w/screw
Reliability Indicator
Not established
Terminal Length
2.250 inches
Body Length
17.000 inches
Body Width
9.125 inches
Power Dissipation Rating In Watts
3000.000 free air
Terminal Width
1.625 inches
Section Resistance
0.065 ohms
Section Resistance
0.260 ohms
Section Resistance
0.195 ohms
Fixed Tap Terminal Type
Tab w/screw
Style Designator
Terminals each end
NSN
5905-00-201-3670
Part Number
57-449
Description
Resistor,fixed,wire Wound,nonind
CAGE
27192

Inc 37404 reinstated on 010303~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. The items must have inherent characteristics of inducing little or no self-inductance. Opposition to current flow is an inherent property of the resistance wire and is manifested by the heat dissipation in the resistor. Excludes suppressor, ignition interference. See also resistor (1), fixed, wire wound, inductive.

Part 57-449 NSN 5905-00-201-3670

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37404
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062960
UFC:
35140
LTL:
77.5
LCL:
--
WCC:
72D
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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