Model: 389S252/BJM-22C111SS

Nonwire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Rectangular bushing mounted
Reliability Indicator
Not established
Terminal Length
0.250 inches
Shaft Diameter
Between 0.248 inches and 0.250 inches
Shaft Length
Between 0.469 inches and 0.531 inches
Mounting Bushing Length
Between 0.313 inches and 0.438 inches
Body Length
Between 0.766 inches and 0.828 inches
Body Width
Between 0.469 inches and 0.531 inches
Body Height
Between 0.469 inches and 0.531 inches
Shaft Style
Round, slotted
Shaft Bearing Type
Sleeve
Switch Type
Push
Switch Voltage Rating In Volts
30.0
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 220.0 and 235.0
Maximum Starting Torque
6.00 inch-ounces
Maximum Running Torque
6.00 inch-ounces
Maximum Stop Torque
48.00 inch-ounces
Nonturn Device Location
At 9 oclock
Nonturn Device Radius
Between 0.219 inches and 0.281 inches
Switch Operating Position
Any position of rotation travel
Switch Contact Arrangement
Single pole, double throw, three positions maintained
Center To Center Distance Between Terminals
0.200 inches
Fragility Factor
Moderately rugged
Screw Thread Diameter
0.250 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Lower adjacent side two rows
Mounting Method
Standard bushing
Center To Center Distance Between Terminal Rows
0.100 inches
Features Provided
Switch
Cubic Measure
0.199 cubic inches
Electrical Resistance Per Section
2.5 kilohms single section
Rotary Actuator Travel In Angular Deg
Between 290.0 and 300.0
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
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
-150.0 to 150.0 single section
Power Dissipation Rating Per Section In Watts
1.0 free air single section
Resistance Tolerance Per Section In Percent
-10.0 to 10.0 single section
Actuator Travel Control Feature
Stops
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
85.0 single section
Switch Current Type And Rating In Amps
0.250 dc
Standard Taper Curve Per Section
A single section
Terminal Type And Quantity
7 pin
NSN
5905-01-211-7720
Part Number
389S252/BJM-22C111SS
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 389S252/BJM-22C111SS NSN 5905-01-211-7720

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

Freight Class: Variable resistors, including potentiometers, nesoi

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