PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

304BResistor,thermal

Ohmite Holding, L.l.c. · NSN 5905-00-666-0781 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-666-0781 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-666-0781. Primary manufacturer part number: 304B.
Features
  • Resistor,thermal — FSC 5905
  • Resistance Tolerance at a Specified Temp in Percent: -10.0 TO 10.0 ALL RESISTANCE-TEMPERATURE POINTS
  • Zero Power Resistance at Specified Temp: 198.3 OHMS FIRST RESISTANCE-TEMPERATURE POINT
  • Terminal Diameter: 0.032 INCHES NOMINAL IN
  • Temp Points for Resistance Readings at Zero Power: 32.0 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT DEGC
  • Ambient Temp at Full Rated Power: 25.0 CELSIUS DEGC
  • Zero Power Resistance: 150.000 OHMS
  • Body Length: 0.750 INCHES NOMINAL IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,thermal, cataloged under National Stock Number 5905-00-666-0781, 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 Ohmite Holding, L.l.c.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-666-0781
Primary Part Number304B
Item NameResistor,thermal
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerOhmite Holding, L.l.c.
StatusACTIVE
Resistance Tolerance at a Specified Temp in Percent-10.0 TO 10.0 ALL RESISTANCE-TEMPERATURE POINTS
Zero Power Resistance at Specified Temp198.3 OHMS FIRST RESISTANCE-TEMPERATURE POINT
Terminal Diameter0.032 INCHES NOMINAL IN
Temp Points for Resistance Readings at Zero Power32.0 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT DEGC
Ambient Temp at Full Rated Power25.0 CELSIUS DEGC
Zero Power Resistance150.000 OHMS
Body Length0.750 INCHES NOMINAL IN
Reference Temp in Deg Celsius25.0
Maximum Operating Temp150.0 CELSIUS DEGC
Surface TreatmentCOPPER AND TIN TERMINAL
Body Outside Diameter0.250 INCHES NOMINAL IN
Terminal Length1.500 INCHES NOMINAL IN
Inclosure TypeENCAPSULATED
Terminal Type and Quantity2 WIRE LEAD
Style DesignatorROD
Zero Power Resistance Tolerance in Percent at Reference Temp-10.0 TO 10.0
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4310-00-035-7520304B INTERCHANGEABLE
Reed Strip,valve
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
3110-00-156-519910250059-2 INTERCHANGEABLE
Bearing,ball,annular
Us Army Aviation and Missile Command
5905-00-189-7998813186-76 INTERCHANGEABLE
Resistor,fixed,composition
Lockheed Martin Corporation Div Rms - Mitchel Field
5935-00-192-4787GB542 INTERCHANGEABLE
Plug,telephone
Kellogg Company Div Kellogg's Food Away From Home
5355-00-346-3638MS91528-3O4B INTERCHANGEABLE
Knob
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5905-00-502-8204 INTERCHANGEABLE
Resistor Set,matched
6130-00-583-9090 INTERCHANGEABLE
Rectifier,metallic
6680-00-981-7818 INTERCHANGEABLE
Indicator,liquid Quantity
Cross-Reference Index
Part NumberManufacturer
304B Ohmite Holding, L.l.c. (USA)
Related Parts
4310-00-035-7520INTERCHANGEABLE
REED STRIP,VALVE
304B
3110-00-156-5199INTERCHANGEABLE
BEARING,BALL,ANNULAR
10250059-2
5905-00-189-7998INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
813186-76
5935-00-192-4787INTERCHANGEABLE
PLUG,TELEPHONE
GB542
5355-00-346-3638INTERCHANGEABLE
KNOB
MS91528-3O4B
5905-00-502-8204INTERCHANGEABLE
RESISTOR SET,MATCHED
6130-00-583-9090INTERCHANGEABLE
RECTIFIER,METALLIC
6680-00-981-7818INTERCHANGEABLE
INDICATOR,LIQUID QUANTITY

Frequently Asked Questions

What is NSN 5905-00-666-0781?

NSN 5905-00-666-0781 is a Resistor,thermal, manufactured by Ohmite Holding, L.l.c., classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-666-0781?

NSN 5905-00-666-0781 has 1 cross-referenced part number: 304B (Ohmite Holding, L.l.c.).

What NSN replaces 5905-00-666-0781?

There are 8 known substitutes for 5905-00-666-0781: 4310-00-035-7520, 3110-00-156-5199, 5905-00-189-7998 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 304B?

Key specifications for 304B: Resistance Tolerance at a Specified Temp in Percent: -10.0 TO 10.0 ALL RESISTANCE-TEMPERATURE POINTS; Zero Power Resistance at Specified Temp: 198.3 OHMS FIRST RESISTANCE-TEMPERATURE POINT; Terminal Diameter: 0.032 INCHES NOMINAL IN; Temp Points for Resistance Readings at Zero Power: 32.0 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT DEGC. 18 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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