Model: 28W4-2276

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
4
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
1.5620 inches
Pilot Length
0.0620 inches
Overall Length
Between 3.540 inches and 3.700 inches
Undercut Diameter
1.625 inches
Undercut Width
0.0730 inches
Body Diameter
1.750 inches
Shaft Diameter
0.250 inches
Shaft Length
1.000 inches
Body Length
3.050 inches
Mounting Lip Diameter
1.7500 inches
Mounting Lip Depth
0.0930 inches
Shaft Style
Round
Shaft Bearing Type
Ball
Actuator Type
Double ended shaft
Maximum Starting Torque
0.70 inch-ounces
Maximum Running Torque
0.40 inch-ounces
Shaft End Play
0.00500 inches
Shaft Runout
0.002 inches
Pilot Diameter Runout
0.00200 inches
Shaft Radial Play
0.004 inches
Terminal Location
Radially positioned over more than half the circumference
Mounting Method
Clamp ring
Features Provided
Nonmetallic shaft
Electrical Resistance Per Section
100.000 percent, rated amperes c and better v.G. Stepping
Electrical Resistance Per Section
2.000 percent, rated amperes c and better finish
Electrical Resistance Per Section
2.000 percent, rated amperes c and better industrial clears
Electrical Resistance Per Section
2.000 percent, rated amperes c and better select
Rotary Actuator Travel In Angular Deg
360.0
Function Conformity Tolerance Per Section
-0.30/+0.30 all sections
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
105.0 all sections
Power Dissipation Rating Per Section In Watts
1.3 free air all sections
Function Conformity Per Section
All sections independent linearity
Fixed Tap Quantity Per Section
1 all sections
Tap Location Tolerance Per Section
-0.1/+0.1 ohms all sections
Resistance Tolerance Per Section In Percent
-1.0/+1.0 all sections
Actuator Travel Control Feature
Continuous motion
Tap Location From Ccw Terminal Per Section In Ohms
1000.0 1st section
Tap Location From Ccw Terminal Per Section In Ohms
1000.0 2nd section
Tap Location From Ccw Terminal Per Section In Ohms
1000.0 3rd section
Tap Location From Ccw Terminal Per Section In Ohms
50000.0 4th section
Function Characteristic Per Section
All sections linear
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
85.0 all sections
Terminal Type And Quantity
16 tab, solder lug
NSN
5905-00-785-6549
Part Number
28W4-2276
Description
Resistor,variable,wire Wound,pre
CAGE
19176

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) of the output is equal to or less than plus or munus 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, nonprecision.

Part 28W4-2276 NSN 5905-00-785-6549

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37408
FIIG:
A002A0
Concept No.:
1
App. Key:
D
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:
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:
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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