PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

999/4/43079/103Resistor,fixed,composition

Leonardo Uk Ltd · NSN 5905-00-121-9919 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-121-9919 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-121-9919. Primary manufacturer part number: 999/4/43079/103.
Features
  • Resistor,fixed,composition — FSC 5905
  • Resistance Tolerance in Percent: -5.000 TO 5.000
  • Style Designator: AXIAL TERMINAL EACH END
  • Reliability Failure Rate Level in Percent: 0.001
  • Ambient Temp at Full Rated Power: 70.0 CELSIUS DEGC
  • Body Diameter: 0.090 INCHES NOMINAL IN
  • Reliability Indicator: ESTABLISHED
  • Specification/standard Data: 81349-MIL-R-39008/1 GOVERNMENT SPECIFICATION
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,fixed,composition, cataloged under National Stock Number 5905-00-121-9919, 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 Leonardo Uk Ltd. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 43 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-121-9919
Primary Part Number999/4/43079/103
Item NameResistor,fixed,composition
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerLeonardo Uk Ltd
StatusCANCELLED
Resistance Tolerance in Percent-5.000 TO 5.000
Style DesignatorAXIAL TERMINAL EACH END
Reliability Failure Rate Level in Percent0.001
Ambient Temp at Full Rated Power70.0 CELSIUS DEGC
Body Diameter0.090 INCHES NOMINAL IN
Reliability IndicatorESTABLISHED
Specification/standard Data81349-MIL-R-39008/1 GOVERNMENT SPECIFICATION
Cubic Measure0.002 CUBIC INCHES
Power Dissipation Rating in Watts0.250 FREE AIR
Body Length0.250 INCHES NOMINAL IN
Ambient Temp in Deg Celsius at Zero Percent Rated Power130.0
Terminal TypeWIRE LEAD
Inclosure TypeENCAPSULATED
Electrical Resistance10.000 MEGOHMS
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.).
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
2530-00-382-8983102031 INTERCHANGEABLE
Cap,grease
Aqua-Chem, Inc. Dba Aqua-Chem Inc
5905-00-434-5447 INTERCHANGEABLE
Resistor,fixed,film
5905-00-577-2992 INTERCHANGEABLE
Resistor,fixed,composition
5905-00-734-2221 INTERCHANGEABLE
Resistor,fixed,composition
5905-00-822-2388CB1065 INTERCHANGEABLE
Resistor,fixed,composition
Rockwell Automation, Inc. Dba Rockwell Automation
5905-00-824-3162 INTERCHANGEABLE
Resistor,fixed,composition
5905-01-092-1536 INTERCHANGEABLE
Resistor,fixed,composition
5905-01-114-2882 INTERCHANGEABLE
Resistor,fixed,film
6150-01-553-22781001065 INTERCHANGEABLE
Lead,electrical
General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp
3040-01-594-6098100-106-5 INTERCHANGEABLE
Weight,counterbalance
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
999/4/43079/103 Leonardo Uk Ltd (GBR)
6143W13P176 Ametek Inc Div Aerospace and Defense (USA)
81110605049 Plessey Spa (ITA)
3R152+P106J Mpd Components, Inc. (USA)
0684-1061 Hewlett-Packard Company Dba HP (USA)
137-007-1056 Northrop Grumman Systems Corporation (USA)
6-24622-432 Te Connectivity Corporation (USA)
4171306-432 Raytheon Company Div Rmd Strategic (USA)
801-106-05 Ametek Programmable Power, Inc. (USA)
S9547-106 Honeywell International Inc. Div Aerospace - Torrance (USA)
849766-0106 Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA)
41181 38100 Thales Deutschland Gmbh Div Customer Services (DEU)
418767-183 Raytheon Company Dba Raytheon (USA)
616-02-10004 L3 Aviation Products, Inc. Dba L3 Technologies (USA)
CB-106-5 Rockwell Automation, Inc. Dba Rockwell Automation (USA)
5M.5108.220.72 Hensoldt Sensors Gmbh Div Seps (DEU)
443-1466-145 The Boeing Company Div Legacy Boeing Hb1 (USA)
OC1065 Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA)
5905PL0329467 Jednolity Indeks Materialowy - Uniform Material Index (POL)
RCR07G106JP Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
2530-00-382-8983INTERCHANGEABLE
CAP,GREASE
102031
5905-00-434-5447INTERCHANGEABLE
RESISTOR,FIXED,FILM
5905-00-577-2992INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-00-734-2221INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-00-822-2388INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
CB1065
5905-00-824-3162INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-01-092-1536INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-01-114-2882INTERCHANGEABLE
RESISTOR,FIXED,FILM
6150-01-553-2278INTERCHANGEABLE
LEAD,ELECTRICAL
1001065
3040-01-594-6098INTERCHANGEABLE
WEIGHT,COUNTERBALANCE
100-106-5
5325-01-733-2184INTERCHANGEABLE
RING,RETAINING
1001065

Frequently Asked Questions

What is NSN 5905-00-121-9919?

NSN 5905-00-121-9919 is a Resistor,fixed,composition, manufactured by Leonardo Uk Ltd, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-121-9919?

NSN 5905-00-121-9919 has 50 cross-referenced part numbers: 999/4/43079/103 (Leonardo Uk Ltd), 6143W13P176 (Ametek Inc Div Aerospace and Defense), 81110605049 (Plessey Spa), 3R152+P106J (Mpd Components, Inc.), 0684-1061 (Hewlett-Packard Company Dba HP) and 45 more.

What NSN replaces 5905-00-121-9919?

There are 11 known substitutes for 5905-00-121-9919: 2530-00-382-8983, 5905-00-434-5447, 5905-00-577-2992 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 999/4/43079/103?

Key specifications for 999/4/43079/103: Resistance Tolerance in Percent: -5.000 TO 5.000; Style Designator: AXIAL TERMINAL EACH END; Reliability Failure Rate Level in Percent: 0.001; Ambient Temp at Full Rated Power: 70.0 CELSIUS DEGC. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-121-9919 still in active supply?

NSN 5905-00-121-9919 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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