Model: 78-9-111-202

Nonwire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Rectangular w/mounting holes/slots
Reliability Indicator
Established
Reliability Failure Rate Level In Percent
0.010
Terminal Length
Between 0.469 inches and 0.531 inches
Mounting Hole Diameter
0.088 mils and 0.098 centimeters
Shaft Diameter
Between 0.100 inches and 0.130 inches
Shaft Length
Between 0.036 inches and 0.080 inches
Body Length
Between 1.240 inches and 1.260 inches
Body Width
Between 0.180 inches and 0.200 inches
Body Height
Between 0.300 inches and 0.330 inches
Shaft Style
Round, slotted
Shaft Bearing Type
Sleeve
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 6120.0 and 9720.0
Maximum Starting Torque
8.00 inch-ounces
Maximum Running Torque
8.00 inch-ounces
Center To Center Distance Between Terminals
Between 0.690 inches and 0.710 inches
Fragility Factor
Moderately rugged
End Application
1430-01-087-6338 engagement control station, guided missile, truck mounted
Lateral Distance Between Mounting Hole Centers
Between 0.995 inches and 1.005 inches
Mounting Facility Quantity
2
Terminal Location
Lower adjacent side two rows
Mounting Method
Unthreaded hole
Center To Center Distance Between Terminal Rows
Between 0.090 inches and 0.110 inches
Features Provided
Humidity proof
Cubic Measure
0.045 cubic inches
Electrical Resistance Per Section
2.0 percent, rated amperes c and better flooring
Rotary Actuator Travel In Angular Deg
Between 6120.0 and 9720.0
Center To Center Distance Between Center Terminal And Outside Terminal
0.290 mils and 0.310 centimeters
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
150.0 single section
Power Dissipation Rating Per Section In Watts
0.75 7th secondary quality
Resistance Tolerance Per Section In Percent
-10.0/+10.0 single section
Actuator Travel Control Feature
Clutch
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
85.0 single section
Standard Taper Curve Per Section
A single section
Test Data Document
81349-mil-r-39035 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.).
Terminal Type And Quantity
3 pin
Specification Data
81349-mil-r-39035/1 government specification
NSN
5905-01-279-3662
Part Number
78-9-111-202
Description
Resistor,variable,nonwire Wound,
CAGE
02111

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 78-9-111-202 NSN 5905-01-279-3662

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:
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:
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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