PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RWR81S1R87FMResistor,fixed,wire Wound

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5905-00-004-6143 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-004-6143 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-004-6143. Primary manufacturer part number: RWR81S1R87FM.
Features
  • Resistor,fixed,wire Wound — FSC 5905
  • Resistance Tolerance in Percent: -1.000 TO 1.000
  • Body Length: 0.250 INCHES NOMINAL IN
  • Terminal Type: WIRE LEAD
  • Ambient Temp at Full Rated Power: 25.0 CELSIUS DEGC
  • Inclosure Type: ENCAPSULATED
  • Temp Range of Temp Coefficient in Deg Celsius: -55.0 TO 275.0
  • Ambient Temp in Deg Celsius at Zero Percent Rated Power: 275.0
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Circuit regulation and filtering
  • Signal conditioning
General Description

The Resistor,fixed,wire Wound, cataloged under National Stock Number 5905-00-004-6143, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-004-6143
Primary Part NumberRWR81S1R87FM
Item NameResistor,fixed,wire Wound
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Resistance Tolerance in Percent-1.000 TO 1.000
Body Length0.250 INCHES NOMINAL IN
Terminal TypeWIRE LEAD
Ambient Temp at Full Rated Power25.0 CELSIUS DEGC
Inclosure TypeENCAPSULATED
Temp Range of Temp Coefficient in Deg Celsius-55.0 TO 275.0
Ambient Temp in Deg Celsius at Zero Percent Rated Power275.0
Reliability Failure Rate Level in Percent0.010
Power Dissipation Rating in Watts1.000 FREE AIR
Body Diameter0.085 INCHES NOMINAL IN
Reliability IndicatorESTABLISHED
Electrical Resistance1.870 OHMS
Test Data Document81349-MIL-R-39007 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.).
Temp Coefficient of Resistance in Ppm Per Deg Celsius-50.0 TO 50.0
Style DesignatorAXIAL TERMINAL EACH END
Nuclear Hardness Critical FeatureHARDENED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5815-00-611-4757 INTERCHANGEABLE
Pole Piece
5340-00-882-0192 INTERCHANGEABLE
Standoff,threaded,spacing
5920-01-036-5952HKP INTERCHANGEABLE
Fuseholder,extractor Post
Cooper Bussmann, Llc Dba Cooper Industries
5945-01-269-07131300-13 INTERCHANGEABLE
Relay,electromagnetic
Uusi, Llc Dba Nartron
6150-01-366-7480148B5620DPP2 INTERCHANGEABLE
Bus,conductor
General Electric Co General Purpose Control Dept Mebane Opns
4820-01-394-2682130013 INTERCHANGEABLE
Subplate Assembly,valve
Tr Engineering, Inc Div Tr Engineering Incorporated
5365-01-425-9927130013 INTERCHANGEABLE
Spacer,ring
Chris-Marine Aktiebolag
4130-01-460-8811130013 INTERCHANGEABLE
Vacu-Disc Disc Kit
Dcm Clean Air Products, Inc.
2530-01-604-7610130013 INTERCHANGEABLE
Parts Kit,disk Brake
Crown Equipment Corp Dba Crown Lift Trucks Div Government Sales Department
Cross-Reference Index
Part NumberManufacturer
RWR81S1R87FM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
13A0013 Siemens Energy & Automation, Inc. Dba Siemens Airfield Solutions Div Siemens Energy & Automation Dba Siemens Airfield Solutions (USA)
MILR39007-9 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RWR81S1R87FR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
130013 Siemens Energy & Automation, Inc. Dba Siemens Airfield Solutions Div Siemens Energy & Automation Dba Siemens Airfield Solutions (USA)
Related Parts
5815-00-611-4757INTERCHANGEABLE
POLE PIECE
5340-00-882-0192INTERCHANGEABLE
STANDOFF,THREADED,SPACING
5920-01-036-5952INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
HKP
5945-01-269-0713INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1300-13
6150-01-366-7480INTERCHANGEABLE
BUS,CONDUCTOR
148B5620DPP2
4820-01-394-2682INTERCHANGEABLE
SUBPLATE ASSEMBLY,VALVE
130013
5365-01-425-9927INTERCHANGEABLE
SPACER,RING
130013
4130-01-460-8811INTERCHANGEABLE
VACU-DISC DISC KIT
130013
2530-01-604-7610INTERCHANGEABLE
PARTS KIT,DISK BRAKE
130013

Frequently Asked Questions

What is NSN 5905-00-004-6143?

NSN 5905-00-004-6143 is a Resistor,fixed,wire Wound, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-004-6143?

NSN 5905-00-004-6143 has 5 cross-referenced part numbers: RWR81S1R87FM (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 13A0013 (Siemens Energy & Automation, Inc. Dba Siemens Airfield Solutions Div Siemens Energy & Automation Dba Siemens Airfield Solutions), MILR39007-9 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), RWR81S1R87FR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 130013 (Siemens Energy & Automation, Inc. Dba Siemens Airfield Solutions Div Siemens Energy & Automation Dba Siemens Airfield Solutions).

What NSN replaces 5905-00-004-6143?

There are 9 known substitutes for 5905-00-004-6143: 5815-00-611-4757, 5340-00-882-0192, 5920-01-036-5952 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RWR81S1R87FM?

Key specifications for RWR81S1R87FM: Special Features: NUCLEAR HARDNESS CRITICAL ITEMS; Resistance Tolerance in Percent: -1.000 TO 1.000; Body Length: 0.250 INCHES NOMINAL IN; Terminal Type: WIRE LEAD. 17 total characteristics are documented in the Federal Logistics Information System.

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