PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A3AA50-265Resistor,fixed,film

Caes Systems Llc · NSN 5905-00-172-2993 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-172-2993 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-172-2993. Primary manufacturer part number: A3AA50-265.
Features
  • Resistor,fixed,film — FSC 5905
  • Test Data Document: 81349-MIL-R-55182 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 Designator: AXIAL TERMINAL EACH END
  • Unpackaged Unit Weight: 0.11 GRAMS G
  • Specification/standard Data: 81349-MIL-R-55182/7 GOVERNMENT SPECIFICATION
  • Ambient Temp in Deg Celsius at Zero Percent Rated Power: 175.0
  • Temp Range of Temp Coefficient in Deg Celsius: -55.0 TO 175.0
  • Electrical Resistance: 28.000 KILOHMS
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,fixed,film, cataloged under National Stock Number 5905-00-172-2993, 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 Caes Systems Llc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-172-2993
Primary Part NumberA3AA50-265
Item NameResistor,fixed,film
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerCaes Systems Llc
StatusCANCELLED
Test Data Document81349-MIL-R-55182 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
Unpackaged Unit Weight0.11 GRAMS G
Specification/standard Data81349-MIL-R-55182/7 GOVERNMENT SPECIFICATION
Ambient Temp in Deg Celsius at Zero Percent Rated Power175.0
Temp Range of Temp Coefficient in Deg Celsius-55.0 TO 175.0
Electrical Resistance28.000 KILOHMS
Resistance Tolerance in Percent-1.000 TO 1.000
Reliability IndicatorESTABLISHED
Reliability Failure Rate Level in Percent0.001
Terminal Length0.984 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
Terminal TypeWIRE LEAD
Body Length0.160 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
Ambient Temp at Full Rated Power125.0 CELSIUS DEGC
Inclosure TypeENCAPSULATED
Mil-Std-1276 Wire Lead Type DesignatorC
Power Dissipation Rating in Watts0.050 FREE AIR
Body Diameter0.050 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Temp Coefficient of Resistance in Ppm Per Deg Celsius-50.0 TO 50.0
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5905-01-186-6798 INTERCHANGEABLE
Resistor,fixed,film
Cross-Reference Index
Part NumberManufacturer
A3AA50-265 Caes Systems Llc (USA)
5143-2802 Mepco/electra Inc (USA)
RNC50H2802FS Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-55182/7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ME432802 Trw Inc Trw Electronic Components Irc Fixed Resistors Philadelphia Div (USA)
443-1401-265 The Boeing Company Div Legacy Boeing Hb1 (USA)
MIL-R-55182/7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RNR50H2802FP Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RNC50H2802FM Insilco Corp Acic Div
RNC50H2802FM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
443-1770-075 The Boeing Company Div Legacy Boeing Hb1 (USA)
Related Parts
5905-01-186-6798INTERCHANGEABLE
RESISTOR,FIXED,FILM

Frequently Asked Questions

What is NSN 5905-00-172-2993?

NSN 5905-00-172-2993 is a Resistor,fixed,film, manufactured by Caes Systems Llc, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-172-2993?

NSN 5905-00-172-2993 has 11 cross-referenced part numbers: A3AA50-265 (Caes Systems Llc), 5143-2802 (Mepco/electra Inc), RNC50H2802FS (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-55182/7 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ME432802 (Trw Inc Trw Electronic Components Irc Fixed Resistors Philadelphia Div) and 6 more.

What NSN replaces 5905-00-172-2993?

There is 1 known substitute for 5905-00-172-2993: 5905-01-186-6798. Verify interchangeability with system specifications before substitution.

What are the specifications of A3AA50-265?

Key specifications for A3AA50-265: Test Data Document: 81349-MIL-R-55182 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 Designator: AXIAL TERMINAL EACH END; Unpackaged Unit Weight: 0.11 GRAMS G; Specification/standard Data: 81349-MIL-R-55182/7 GOVERNMENT SPECIFICATION. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-172-2993 still in active supply?

NSN 5905-00-172-2993 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.
PartsTable Design LLC · partstable.com