Model: 53M

Nonwire Wound Variable Resistor

Properties:

Section Quantity
3
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Overall Length
Between 1.234 inches and 2.734 inches
First Flat Length
Between 0.015 inches and 0.047 inches
Flat Height
Between 0.216 inches and 0.220 inches
Body Diameter
Between 1.032 inches and 1.156 inches
Shaft Diameter
Between 0.248 inches and 0.252 inches
Shaft Length
Between 0.734 inches and 0.766 inches
Mounting Bushing Length
Between 0.234 inches and 0.266 inches
Body Length
Between 0.500 inches and 1.968 inches
Overall Diameter
Between 1.032 inches and 1.156 inches
Shaft Style
Round, flatted
Actuator Type
Single shaft
Maximum Starting Torque
6.00 inch-ounces
Maximum Stop Torque
128.00 inch-ounces
Nonturn Device Location
At 9 oclock
Nonturn Device Radius
Between 0.516 inches and 0.546 inches
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
Nonmetallic shaft
Electrical Resistance Per Section
1.0 kilohms all sections
Rotary Actuator Travel In Angular Deg
Between 0.310 and 0.320
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
120.0 all sections
Power Dissipation Rating Per Section In Watts
2.0 free air all sections
Resistance Tolerance Per Section In Percent
-10.0/+10.0 all sections
Resistance Tolerance Per Section In Percent
-10.0 to 10.0 all sections
Actuator Travel Control Feature
Continuous motion
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
70.0 all sections
Standard Taper Curve Per Section
C single section
Terminal Type And Quantity
3 tab, solder lug
NSN
5905-00-123-5372
Part Number
53M
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 53M NSN 5905-00-123-5372

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:
U
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:
658
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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