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Nonprecision Wire Wound Variable Resistor

NSN: 5905-01-218-3793 | Model: M22/04-00221UB

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.

NSN Properties and Flags
NATO Stock Number
5905-01-218-3793
DEMIL
NO
Section Quantity
1
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Overall Length
2.687 inches
Body Diameter
1.880 inches
Shaft Diameter
0.250 inches
Shaft Length
0.625 inches
Mounting Bushing Length
0.547 inches
Body Length
1.750 inches
Shaft Style
Round, slotted
Shaft Bearing Type
Sleeve
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
290.0
Maximum Starting Torque
4.00 inch-ounces
Maximum Running Torque
4.00 inch-ounces
Maximum Stop Torque
240.00 inch-ounces
Nonturn Device Location
At 6 oclock
Nonturn Device Radius
0.515 inches
End Application
1520-01-125-5476
Screw Thread Diameter
0.375 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Rear end
Mounting Method
Locking bushing
Electrical Resistance Per Section
2.5 kilohms single section
Rotary Actuator Travel In Angular Deg
290.0
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
340.0 single section
Power Dissipation Rating Per Section In Watts
12.5 free air single section
Resistance Tolerance Per Section In Percent
-10.0/+10.0 single section
Actuator Travel Control Feature
Stops
Tempurature Coefficient Of Resistance Wire Per Section In Ppm Per Deg Celsius
-20.0/+20.0 single section
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-r-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 w/screw
Specification Data
81349-mil-r-22/4 government specification

Parts List for Observation Helicopter  

Other components in the assembly of NSN 1520-01-125-5476

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NSN 5905-01-218-3793 Datasheet

Supply Class (FSC):
Resistors
Cross Reference:
  • M22/04-00221UB
  • MIL-R-22/4
  • RP111UB252KK
  • MIL-PRF-22/4
Cage Codes:
  • Military Specifications (CAGE 81349)
Schedule B & Trade:
  • Schedule B: 8533390080 (NAICS 334416)

    Wirewound variable resistors, nesoi

  • SITC: 77233

    Wirewound electrical variable resistors (including rheostats and potentiometers)

  • End Use: 20005

    Electric apparatus

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    062960 - Reostats/parts noi

  • WCC:

    72D - Communications/electronics, other than sigint/ew or comsec repair parts and components

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    H - Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)

  • LTL:

    P - 77.5

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    D
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Q2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $1,827.81 to $3,046.34..
Does NSN 5905-01-218-3793 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, and Department Of The Navy
What is the NIIN of NSN 5905-01-218-3793?
012183793 or 01-218-3793
Does NSN 5905-01-218-3793 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5905-01-218-3793?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Oct 11, 1985