Model: 749-9-1

Non Wire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Cylindrical bushing mounted
Overall Length
4.125 inches
First Flat Length
1.563 inches
Flat Height
0.344 inches
Body Diameter
8.000 inches
Shaft Diameter
0.375 inches
Shaft Length
2.000 inches
Body Length
2.125 inches
Shaft Style
Round, flatted
Actuator Type
Single shaft
Distance Between Mounting Hole Centers
3.000 inches
Screw Thread Diameter
0.250 inches
Screw Thread Series Designator
Unc
Screw Thready Qty Per Inch (tpi)
20.0
Mounting Facility Quantity
2
Mounting Method
Threaded hole
Electrical Resistance Per Section
125.000 ohms single section
Power Dissipation Rating Per Section In Watts
500.0 free air single section
Resistance Tolerance Per Section In Percent
-10.0/+10.0 single section
Resistance Tolerance Per Section In Percent
-10.0 to 10.0 single section
Standard Taper Curve Per Section
A single section
Terminal Type And Quantity
3 tab, solder lug
NSN
5905-00-158-5505
Part Number
749-9-1
Description
Resistor,variable,wire Wound,non
CAGE
03927

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 of 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, nonwire wound, nonprecision; resistor (1), variable, nonwire wound, precision; and resistor (1), variable, wire wound, precision.

Part 749-9-1 NSN 5905-00-158-5505

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37406
FIIG:
A002A0
Concept No.:
1
App. Key:
A
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062960
UFC:
35140
LTL:
77.5
LCL:
77.5
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8533390080
  • SITC: 77233
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Wirewound variable resistors, nesoi

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