Model: 550-277

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
Between 0.6240 inches and 0.6250 inches
Pilot Length
Between 0.0570 inches and 0.0670 inches
Overall Length
1.660 inches
Undercut Diameter
Between 0.624 inches and 0.625 inches
Undercut Width
Between 0.0530 inches and 0.0730 inches
Body Diameter
0.875 inches
Shaft Diameter
0.125 inches
Shaft Length
Between 0.543 inches and 0.577 inches
Body Length
1.100 inches
Overall Diameter
1.046 inches
Mounting Lip Diameter
0.8750 inches
Mounting Lip Depth
Between 0.0570 inches and 0.0670 inches
Shaft Style
Round
Shaft Bearing Type
Ball
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
1080.0
Maximum Starting Torque
0.40 inch-ounces
Maximum Running Torque
0.30 inch-ounces
Shaft End Play
0.0003 inches
Shaft Runout
0.002 inches
Lateral Runout
0.001 inches
Pilot Diameter Runout
0.001 inches
Terminal Location
Longitudinally positioned on the circumference
Mounting Method
Clamp ring
Features Provided
Nonmetallic shaft
Electrical Resistance Per Section
20.0 kilohms single section
Rotary Actuator Travel In Angular Deg
1080.0
Function Conformity Tolerance Per Section
-0.10/+0.10 single section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
105.0 single section
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
-20.0/+20.0 single section
Power Dissipation Rating Per Section In Watts
1.5 free air single section
Function Conformity Per Section
Single section independent linearity
Resistance Tolerance Per Section In Percent
-5.0/+5.0 single section
Actuator Travel Control Feature
Stops
Function Characteristic Per Section
Single section linear
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
40.0 single section
Terminal Type And Quantity
3 tab, solder lug
NSN
5905-00-903-5741
Part Number
550-277
Description
Resistor,variable,wire Wound,pre
CAGE
02111

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 550-277 NSN 5905-00-903-5741

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:
--
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:
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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