Model: SM-A-838760-1

Non Wire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Rectangular w/bushing/slot mounted
Reliability Indicator
Not established
Terminal Length
0.500 inches
Shaft Diameter
0.128 inches
Shaft Length
0.250 inches
Mounting Bushing Length
0.250 inches
Body Length
Between 0.400 inches and 0.600 inches
Body Width
0.300 inches
Body Height
0.590 inches
Shaft Style
Round, slotted
Contact Arm Electrical Off Position
Fully cw
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
9000.0
Center To Center Distance Between Terminals
0.200 inches
Fragility Factor
Moderately rugged
Lateral Distance Between Mounting Hole Centers
Between 0.513 inches and 0.526 inches
Screw Thread Diameter
0.203 inches
Screw Thread Series Designator
Unf
Screw Thready Qty Per Inch (tpi)
32.0
Mounting Facility Quantity
2
Terminal Location
Rear end
Mounting Method
Standard bushing
Features Provided
Humidity proof
Cubic Measure
0.106 cubic inches
Electrical Resistance Per Section
2.0 percent, rated amperes c and better flooring
Rotary Actuator Travel In Angular Deg
9000.0
Center To Center Distance Between Center Terminal And Outside Terminal
0.100 inches
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
-5.0/+5.0 single section
Actuator Travel Control Feature
Clutch
Tempurature Coefficient Of Resistance Wire Per Section In Ppm Per Deg Celsius
-50.0/+50.0 single section
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
85.0 single section
Test Data Document
80063-sm-a838760 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Terminal Type And Quantity
3 pin
Specification Data
Sm-a-838760-1 government specification
NSN
5905-01-463-4482
Part Number
SM-A-838760-1
Description
Resistor,variable,wire Wound,non
CAGE
80063

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 of 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, nonwire wound, nonprecision; resistor (1), variable, nonwire wound, precision; and resistor (1), variable, wire wound, precision.

Part SM-A-838760-1 NSN 5905-01-463-4482

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37406
FIIG:
A002A0
Concept No.:
1
App. Key:
A
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:
A
ESD:
A
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:
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:
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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