Model: 4P1957

Nonwire Wound Variable Resistor

Properties:

Section Quantity
3
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Overall Length
2.468 inches
Body Diameter
Between 1.125 inches and 1.188 inches
Shaft Diameter
Between 0.248 inches and 0.251 inches
Shaft Length
0.547 inches
Mounting Bushing Length
0.250 inches
Body Length
Between 1.844 inches and 1.969 inches
Shaft Style
Round
Actuator Type
Single shaft
Nonturn Device Location
At 3 oclock and at 9 oclock
Nonturn Device Radius
0.578 inches
Fragility Factor
Moderately rugged
Screw Thread Diameter
0.375 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Standard bushing
Electrical Resistance Per Section
1.0 percent, rated amperes c and better select
Electrical Resistance Per Section
15.0 percent, rated amperes c and better finish
Electrical Resistance Per Section
200.0 percent, rated amperes c and better industrial clears
Electrical Resistance Per Section
15.0 kilohms 1st section
Electrical Resistance Per Section
200.0 kilohms 2nd section
Electrical Resistance Per Section
1.0 kilohms 3rd section
Power Dissipation Rating Per Section In Watts
1.0 7th secondary pattern
Power Dissipation Rating Per Section In Watts
1.0 7th secondary finish
Power Dissipation Rating Per Section In Watts
1.27 7th secondary grams
Power Dissipation Rating Per Section In Watts
1.0 free air 1st section
Power Dissipation Rating Per Section In Watts
1.0 free air 2nd section
Power Dissipation Rating Per Section In Watts
1.27 free air 3rd section
Resistance Tolerance Per Section In Percent
-10.0/+10.0 all sections
Resistance Tolerance Per Section In Percent
-10.0 to 10.0 all sections
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
70.0 single section
Standard Taper Curve Per Section
A single section
Terminal Type And Quantity
9 tab, solder lug
NSN
5905-00-686-3367
Part Number
4P1957
Description
Resistor,variable,nonwire Wound,
CAGE
11237

A resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The functional tolerance (linearity), if given, of the output is greater than plus or minus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, etc., shall be considered to be precision. For items having manually positioned taps designed to be set and fixed prior to use, see resistor, adjustable. For items with step by step variation, see rheostat and resistor, step by step. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see attenuator, variable. Excludes resistor (1), variable, wire wound, nonprecision; resistor (1), variable, nonwire wound precision; and resistor (1), variable, wire wound, precision.

Part 4P1957 NSN 5905-00-686-3367

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37405
FIIG:
A002A0
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:
0.1000lbs
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: 8533400080
  • SITC: 77235
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Variable resistors, including potentiometers, nesoi

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