PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

443-1770-172Resistor,fixed,film

The Boeing Company Div Legacy Boeing Hb1 · NSN 5905-00-306-1082 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-306-1082 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-306-1082. Primary manufacturer part number: 443-1770-172.
Features
  • Resistor,fixed,film — FSC 5905
  • Electrical Resistance: 28.700 KILOHMS
  • Resistance Tolerance in Percent: -1.000 TO 1.000
  • 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
  • Body Length: 0.150 INCHES NOMINAL IN
  • Style Designator: AXIAL TERMINAL EACH END
  • Ambient Temp at Full Rated Power: 125.0 CELSIUS DEGC
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,fixed,film, cataloged under National Stock Number 5905-00-306-1082, 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 The Boeing Company Div Legacy Boeing Hb1. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 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
NSN5905-00-306-1082
Primary Part Number443-1770-172
Item NameResistor,fixed,film
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerThe Boeing Company Div Legacy Boeing Hb1
StatusCANCELLED
Electrical Resistance28.700 KILOHMS
Resistance Tolerance in Percent-1.000 TO 1.000
Ambient Temp in Deg Celsius at Zero Percent Rated Power175.0
Temp Range of Temp Coefficient in Deg Celsius-55.0 TO 175.0
Body Length0.150 INCHES NOMINAL IN
Style DesignatorAXIAL TERMINAL EACH END
Ambient Temp at Full Rated Power125.0 CELSIUS DEGC
Reliability Failure Rate Level in Percent0.001
Terminal TypeWIRE LEAD
Reliability IndicatorESTABLISHED
Power Dissipation Rating in Watts0.050 FREE AIR
Inclosure TypeENCAPSULATED
Body Diameter0.065 INCHES NOMINAL IN
Temp Coefficient of Resistance in Ppm Per Deg Celsius-50.0 TO 50.0
Test Data Document81349-MILR55182 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 1
5905-01-186-6798 INTERCHANGEABLE
Resistor,fixed,film
Cross-Reference Index
Part NumberManufacturer
443-1770-172 The Boeing Company Div Legacy Boeing Hb1 (USA)
RNR50H2872FR 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
RNC50H2872FS Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILR55182-7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RNC50H2872FM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RNC50H2872FP Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
P325009108 F E L Corp (USA)
RNR50H2872FM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
944105-2872 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
RNC50H2872FR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
S575 0287H Thales Optronics B.v. (NLD)
S575 0287H Thales Nederland, Huizen (NLD)
Related Parts
5905-01-186-6798INTERCHANGEABLE
RESISTOR,FIXED,FILM

Frequently Asked Questions

What is NSN 5905-00-306-1082?

NSN 5905-00-306-1082 is a Resistor,fixed,film, manufactured by The Boeing Company Div Legacy Boeing Hb1, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-306-1082?

NSN 5905-00-306-1082 has 13 cross-referenced part numbers: 443-1770-172 (The Boeing Company Div Legacy Boeing Hb1), RNR50H2872FR (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), RNC50H2872FS (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILR55182-7 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 8 more.

What NSN replaces 5905-00-306-1082?

There is 1 known substitute for 5905-00-306-1082: 5905-01-186-6798. Verify interchangeability with system specifications before substitution.

What are the specifications of 443-1770-172?

Key specifications for 443-1770-172: Electrical Resistance: 28.700 KILOHMS; Resistance Tolerance in Percent: -1.000 TO 1.000; 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. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-306-1082 still in active supply?

NSN 5905-00-306-1082 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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