Model: 3751H-423-103

Hybrid Variable Resistor

Properties:

Section Quantity
1
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
0.3750 inches
Pilot Length
0.0620 inches
Overall Length
1.443 inches
Undercut Diameter
0.400 inches
Undercut Width
0.0620 inches
Body Diameter
0.500 inches
Shaft Diameter
0.0935 inches
Shaft Length
0.325 inches
Body Length
1.118 inches
Overall Diameter
0.672 inches
Mounting Lip Diameter
0.5000 inches
Mounting Lip Depth
0.0620 inches
Shaft Style
Round, slotted
Shaft Bearing Type
Ball
Actuator Type
Single shaft
Maximum Starting Torque
0.50 inch-ounces
Maximum Running Torque
0.30 inch-ounces
Shaft End Play
0.005 inches
Shaft Runout
0.003 inches
Lateral Runout
0.003 inches
Pilot Diameter Runout
0.002 inches
Shaft Radial Play
0.002 inches
Fragility Factor
Moderately rugged
Terminal Location
Longitudinally positioned on the circumference
Mounting Method
Clamp ring
Electrical Resistance Per Section
10.0 percent, rated amperes c and better flooring
Rotary Actuator Travel In Angular Deg
3600.0
Function Conformity Tolerance Per Section
-0.15/+0.15 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
-50.0/+50.0 single section
Power Dissipation Rating Per Section In Watts
1.0 7th secondary quality
Function Conformity Per Section
Single section absolute linearity
Resistance Tolerance Per Section In Percent
-5.0/+5.0 single section
Actuator Travel Control Feature
Clutch
Function Characteristic Per Section
7 oclock all primaries
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
70.0 single section
Precious Material And Location
Terminal surfaces gold
Precious Material
Gold
Test Data Document
96214-805179 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Terminal Type And Quantity
1 tab, solder lug and 2 turret
NSN
5905-01-187-8756
Part Number
3751H-423-103
Description
Resistor,variable,hybrid
CAGE
3Z867

A resistor in which a sliding or rolling contact moves over an exposed area of the resistive element. Uniform contact pressure on the resistance element is maintained by positive pressure to permit smooth electrical and mechanical control of the resistor over the entire resistance range. The resistive element is constructed of a combination of two materials usually consisting of a wirewound element with a coating of conductive plastic applied over the resistance wire where the slider makes contact. May be constructed of a single or multiturns of wire supported on an insulating structure on which the wiper contacts the coated wire continuously in the direction of wiper travel. The opposition to the flow of current is an inherent property of the wire used and is manifested in the heat dissipated in the resistor itself. 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 other resistor (1), variable, (as modified).

Part 3751H-423-103 NSN 5905-01-187-8756

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
35479
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:
G
ESD:
B
ESD:
B
MMAC:
EH
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:
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:
3
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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