PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-2181Resistor,fixed,composition

Astronics Test Systems Inc · NSN 5905-00-141-0742 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-141-0742 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-141-0742. Primary manufacturer part number: 20-2181.
Features
  • Resistor,fixed,composition — FSC 5905
  • Ambient Temp at Full Rated Power: 70.0 CELSIUS DEGC
  • Terminal Length: 1.500 INCHES NOMINAL IN
  • Reliability Failure Rate Level in Percent: 0.001
  • Reliability Indicator: ESTABLISHED
  • Body Length: 0.250 INCHES NOMINAL IN
  • Power Dissipation Rating in Watts: 0.250 FREE AIR
  • Cubic Measure: 0.002 CUBIC INCHES
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,fixed,composition, cataloged under National Stock Number 5905-00-141-0742, is classified within Federal Supply Class 5905 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Astronics Test Systems Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 44 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-141-0742
Primary Part Number20-2181
Item NameResistor,fixed,composition
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerAstronics Test Systems Inc
StatusCANCELLED
Ambient Temp at Full Rated Power70.0 CELSIUS DEGC
Terminal Length1.500 INCHES NOMINAL IN
Reliability Failure Rate Level in Percent0.001
Reliability IndicatorESTABLISHED
Body Length0.250 INCHES NOMINAL IN
Power Dissipation Rating in Watts0.250 FREE AIR
Cubic Measure0.002 CUBIC INCHES
Terminal TypeWIRE LEAD
Inclosure TypeENCAPSULATED
Criticality Code JustificationFEAT
Body Diameter0.090 INCHES NOMINAL IN
Ambient Temp in Deg Celsius at Zero Percent Rated Power130.0
Test Data Document81349-MIL-R-39008 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", "NOMINAL", ETC.).
Style DesignatorAXIAL TERMINAL EACH END
Specification/standard Data81349-MIL-R-39008/1 GOVERNMENT SPECIFICATION
Electrical Resistance180.000 OHMS
Resistance Tolerance in Percent-5.000 TO 5.000
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3020-00-031-2263 INTERCHANGEABLE
Gear Idler
5905-00-110-48961820811-55 INTERCHANGEABLE
Resistor,fixed,composition
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-198-24439414772 INTERCHANGEABLE
Bearing,ball,thrust
General Motors Corp
6220-00-232-443541-0023 INTERCHANGEABLE
Plate,mounting
Grimes Aerospace Company
2815-00-350-8812202181 INTERCHANGEABLE
Wiper
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5935-00-789-60542052-0000-00 INTERCHANGEABLE
Connector,receptacle,electrical
Tyco Electronics Corp
5905-00-890-4232 INTERCHANGEABLE
Resistor,fixed,composition
6685-00-924-228820W1001TH01BXUC30# INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
5815-01-026-7190410012 INTERCHANGEABLE
Regulator,teletype
Telemechanics Inc
5905-01-039-2980 INTERCHANGEABLE
Resistor,fixed,composition
Cross-Reference Index
Part NumberManufacturer
20-2181 Astronics Test Systems Inc (USA)
311-001-031 L3harris Interstate Electronics Corporation (USA)
5905001410742 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
R25J 180 OHM R-Ohm Corp (USA)
5C127-21811 Nextiraone Solutions Llc (USA)
L2088250-181 Honeywell International Inc Dba Honeywell (USA)
7902751-44 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
140-181-41 Tri Source, Inc (USA)
443-1466-031 The Boeing Company Div Legacy Boeing Hb1 (USA)
146493-44 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
100-1815 Ddc Pertec Peripherals Corp (USA)
5-241111-171 Gould Instrument Systems Inc (USA)
060-01803-041 Lh Enterprise (USA)
DEDCB1811 Dassault Aviation (FRA)
101668F Systron-Donner Corp Microwave/instrument Div (USA)
4171381-90 Raytheon Company Div Rmd Strategic (USA)
5183064000 Teac America, Inc (USA)
410023 Syqwest Llc (USA)
5N5102-002-55 Hensoldt Sensors Gmbh Div Seps (DEU)
855011-0182 Diamond Electronics Inc (USA)
Related Parts
3020-00-031-2263INTERCHANGEABLE
GEAR IDLER
5905-00-110-4896INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
1820811-55
3110-00-198-2443INTERCHANGEABLE
BEARING,BALL,THRUST
9414772
6220-00-232-4435INTERCHANGEABLE
PLATE,MOUNTING
41-0023
2815-00-350-8812INTERCHANGEABLE
WIPER
202181
5935-00-789-6054INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2052-0000-00
5905-00-890-4232INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
6685-00-924-2288INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
20W1001TH01BXUC30#
5815-01-026-7190INTERCHANGEABLE
REGULATOR,TELETYPE
410012
5905-01-039-2980INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
4820-01-097-6756INTERCHANGEABLE
SEAT WRENCH,VALVE
20218-1 FIND 32
2825-01-122-8453INTERCHANGEABLE
BLADE ASSEMBLY
410-012

Frequently Asked Questions

What is NSN 5905-00-141-0742?

NSN 5905-00-141-0742 is a Resistor,fixed,composition, manufactured by Astronics Test Systems Inc, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-141-0742?

NSN 5905-00-141-0742 has 50 cross-referenced part numbers: 20-2181 (Astronics Test Systems Inc), 311-001-031 (L3harris Interstate Electronics Corporation), 5905001410742 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), R25J 180 OHM (R-Ohm Corp), 5C127-21811 (Nextiraone Solutions Llc) and 45 more.

What NSN replaces 5905-00-141-0742?

There are 12 known substitutes for 5905-00-141-0742: 3020-00-031-2263, 5905-00-110-4896, 3110-00-198-2443 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-2181?

Key specifications for 20-2181: Ambient Temp at Full Rated Power: 70.0 CELSIUS DEGC; Terminal Length: 1.500 INCHES NOMINAL IN; Reliability Failure Rate Level in Percent: 0.001; Reliability Indicator: ESTABLISHED. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-141-0742 still in active supply?

NSN 5905-00-141-0742 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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