Model: RH253U

Nonwire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Rectangular w/mounting holes/slots
Reliability Indicator
Not established
Overall Length
1.375 inches
Terminal Length
Between 0.578 inches and 0.610 inches
Overall Height
0.922 inches
Mounting Hole Diameter
Between 0.078 inches and 0.110 inches
Shaft Diameter
Between 0.151 inches and 0.156 inches
Shaft Length
Between 0.109 inches and 0.141 inches
Body Length
Between 1.234 inches and 1.266 inches
Body Width
Between 0.234 inches and 0.266 inches
Body Height
Between 0.312 inches and 0.344 inches
Shaft Style
Round, slotted
Actuator Type
Single shaft
Maximum Starting Torque
8.00 inch-ounces
Center To Center Distance Between Terminals
Between 0.695 inches and 0.705 inches
Lateral Distance Between Mounting Hole Centers
Between 0.995 inches and 1.005 inches
Mounting Facility Quantity
2
Terminal Location
Right adjacent side single row
Mounting Method
Unthreaded hole
Center To Center Distance Between Terminal Rows
0.100 inches
Electrical Resistance Per Section
25.0 kilohms single section
Rotary Actuator Travel In Angular Deg
Between 7920.0 and 10080.0
Center To Center Distance Between Center Terminal And Outside Terminal
Between 0.295 inches and 0.305 inches
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
125.0 single section
Power Dissipation Rating Per Section In Watts
0.25 free air single section
Resistance Tolerance Per Section In Percent
-10.0/+10.0 single section
Actuator Travel Control Feature
Clutch
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
70.0 single section
Standard Taper Curve Per Section
A single section
Terminal Type And Quantity
3 pin
NSN
5905-00-913-5724
Part Number
RH253U
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 RH253U NSN 5905-00-913-5724

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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