Model: 388

Nonwire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Rectangular bushing mounted
Reliability Indicator
Not established
Overall Length
1.859 inches
Terminal Length
0.250 inches
Overall Height
0.750 inches
Overall Width
0.500 inches
Shaft Diameter
0.125 inches
Shaft Length
1.375 inches
Mounting Bushing Length
0.250 inches
Body Length
0.484 inches
Body Width
0.500 inches
Body Height
0.500 inches
Shaft Style
Round
Shaft Bearing Type
Sleeve
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
265.0
Maximum Starting Torque
4.50 inch-ounces
Maximum Running Torque
4.50 inch-ounces
Nonturn Device Location
At 3 oclock and at 9 oclock
Nonturn Device Radius
0.250 inches
Center To Center Distance Between Terminals
0.200 inches
Fragility Factor
Moderately rugged
End Application
General purpose electronic test equipment, sirius class t-afs 8, austin ship class lpd-4 amphibious transport docks, oliver perry class ffg, spruance class d (963) , forrestal class cv, whidbey island class lsd, kilauea class t-ae 26
Screw Thread Diameter
0.250 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Lower adjacent side single row
Mounting Method
Standard bushing
Electrical Resistance Per Section
1.000 kilohms single section
Rotary Actuator Travel In Angular Deg
295.0
Center To Center Distance Between Center Terminal And Outside Terminal
0.100 inches
Function Conformity Tolerance Per Section
-0.50/+0.50 single section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
125.0 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
0.5 free air single section
Function Conformity Per Section
Single section independent linearity
Resistance Tolerance Per Section In Percent
-10.0/+10.0 single section
Actuator Travel Control Feature
Stops
Function Characteristic Per Section
Single section linear
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
70.0 single section
Terminal Type And Quantity
3 pin
NSN
5905-01-174-4447
Part Number
388
Description
Resistor,variable,nonwire Wound,
CAGE
12697

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 388 NSN 5905-01-174-4447

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:
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: 8533400080
  • SITC: 77235
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Variable resistors, including potentiometers, nesoi

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