Model: MIL-PRF-22/7

Non Wire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
First Flat Length
3.844 inches
Flat Height
Between 0.211 inches and 0.221 inches
Body Diameter
2.010 inches
Shaft Diameter
Between 0.248 inches and 0.251 inches
Shaft Length
4.000 inches
Mounting Bushing Length
Between 0.453 inches and 0.547 inches
Body Length
1.780 inches
Shaft Style
Round, flatted
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 295.0 and 310.0
Maximum Starting Torque
3.00 inch-ounces
Maximum Running Torque
4.00 inch-ounces
Maximum Stop Torque
15.00 inch-ounces
Nonturn Device Location
At 9 oclock
Nonturn Device Radius
Between 0.485 inches and 0.515 inches
Fragility Factor
Moderately rugged
Screw Thread Diameter
0.375 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Standard bushing
Features Provided
Humidity proof
Electrical Resistance Per Section
5.0 kilohms single section
Rotary Actuator Travel In Angular Deg
Between 295.0 and 310.0
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
340.0 single section
Power Dissipation Rating Per Section In Watts
75.0 free air single section
Resistance Tolerance Per Section In Percent
-10.0/+10.0 single section
Actuator Travel Control Feature
Stops
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
25.0 single section
Standard Taper Curve Per Section
A single section
Test Data Document
81349-mil-prf-22 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Terminal Type And Quantity
3 tab, solder lug
Specification Data
81349-mil-prf-22/7 government specification
NSN
5905-01-485-3401
Part Number
MIL-PRF-22/7
Description
Resistor,variable,wire Wound,non
CAGE
81349

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 MIL-PRF-22/7 NSN 5905-01-485-3401

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:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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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