Model: 68-1948

Nonwire Wound Variable Resistor

Special Features:

Smaller shaft flatted 0.250 in. Lg by 0.093 in. Height

Properties:

Section Quantity
1
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Body Diameter
1.036 inches
Shaft Diameter
Between 0.248 inches and 0.250 inches
Shaft Length
1.375 inches
Mounting Bushing Length
0.375 inches
Body Length
1.560 inches
Undercut Diameter
0.125 inches
Shaft Style
Round, stepped
Switch Type
Push-pull
Switch Voltage Rating In Volts
115.0 and 28.0
Actuator Type
Dual concentric
Effective Electrical Rotation In Deg Angular Rotation
285.0
Maximum Starting Torque
3.00 inch-ounces
Maximum Running Torque
3.00 inch-ounces
Nonturn Device Location
At 3 oclock
Nonturn Device Radius
0.437 inches
Switch Operating Position
Any position of rotation travel
Switch Contact Arrangement
One pole 10 position non-shorting contact switch
Fragility Factor
Moderately rugged
Undercut Length
0.875 inches
Screw Thread Diameter
0.375 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Radially positioned over more than half the circumference
Mounting Method
Standard bushing
Features Provided
Switch
Electrical Resistance Per Section
1.000 kilohms single section
Rotary Actuator Travel In Angular Deg
300.0
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
110.0 single section
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
-100.0/+100.0 single section
Power Dissipation Rating Per Section In Watts
1.0 free air single section
Resistance Tolerance Per Section In Percent
-10.0/+10.0 single section
Actuator Travel Control Feature
Stops
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
70.0 single section
Switch Current Type And Rating In Amps
2.000 ac/dc
Standard Taper Curve Per Section
A single section
Terminal Type And Quantity
14 tab, solder lug
NSN
5905-01-105-8051
Part Number
68-1948
Description
Resistor,variable,nonwire Wound,
CAGE
91812

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 68-1948 NSN 5905-01-105-8051

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:
A
ESD:
B
ESD:
B
MMAC:
EH
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:
ZZ
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:
3
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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