Model: WM4275A

Nonwire Wound Variable Resistor

Special Features:

Taper to be cts a modified on ccw end to give max of 7.5 ohm dc end resistance or 70 db down from a1000hz 3 volt level applied across total resistance

Properties:

Section Quantity
1
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Body Diameter
0.938 inches
Shaft Diameter
Between 0.248 inches and 0.250 inches
Shaft Length
0.325 inches
Mounting Bushing Length
Between 0.359 inches and 0.390 inches
Body Length
0.453 inches
Shaft Style
Round
Shaft Bearing Type
Sleeve
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 295.0 and 305.0
Maximum Starting Torque
6.00 inch-ounces
Maximum Running Torque
6.00 inch-ounces
Fragility Factor
Moderately rugged
End Application
5895-01-154-3796 reciever-transmitter
Screw Thread Diameter
0.375 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Standard bushing
Features Provided
Humidity proof
Cubic Measure
0.313 cubic inches
Electrical Resistance Per Section
25.0 kilohms single section
Rotary Actuator Travel In Angular Deg
Between 295.0 and 305.0
Power Dissipation Rating Per Section In Watts
0.3 free air single section
Resistance Tolerance Per Section In Percent
-30.0/+30.0 single section
Standard Taper Curve Per Section
C single section
Terminal Type And Quantity
3 tab, solder lug
NSN
5905-01-282-6035
Part Number
WM4275A
Description
Resistor,variable,nonwire Wound,
CAGE
58756

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 WM4275A NSN 5905-01-282-6035

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:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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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