PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BB1021Resistor,fixed,composition

Rockwell Automation, Inc. Dba Rockwell Automation · NSN 5905-00-420-7124 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-420-7124 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-420-7124. Primary manufacturer part number: BB1021.
Features
  • Resistor,fixed,composition — FSC 5905
  • Style Designator: AXIAL TERMINAL EACH END
  • Body Diameter: 0.062 INCHES NOMINAL IN
  • Ambient Temp at Full Rated Power: 70.0 CELSIUS DEGC
  • Ambient Temp in Deg Celsius at Zero Percent Rated Power: 130.0
  • Terminal Type: WIRE LEAD
  • Inclosure Type: ENCAPSULATED
  • Power Dissipation Rating in Watts: 0.125 FREE AIR
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,fixed,composition, cataloged under National Stock Number 5905-00-420-7124, 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 Rockwell Automation, Inc. Dba Rockwell Automation. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-420-7124
Primary Part NumberBB1021
Item NameResistor,fixed,composition
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerRockwell Automation, Inc. Dba Rockwell Automation
StatusACTIVE
Style DesignatorAXIAL TERMINAL EACH END
Body Diameter0.062 INCHES NOMINAL IN
Ambient Temp at Full Rated Power70.0 CELSIUS DEGC
Ambient Temp in Deg Celsius at Zero Percent Rated Power130.0
Terminal TypeWIRE LEAD
Inclosure TypeENCAPSULATED
Power Dissipation Rating in Watts0.125 FREE AIR
Body Length0.145 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Electrical Resistance1.000 KILOHMS
Resistance Tolerance in Percent-10.000 TO 10.000
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-291-744715023A INTERCHANGEABLE
Gasket
Brinkley Technology Group Llc Dba Hercules Manufacturing
5905-00-458-9500 INTERCHANGEABLE
Resistor,fixed,composition
Cross-Reference Index
Part NumberManufacturer
BB1021 PRIMARY Rockwell Automation, Inc. Dba Rockwell Automation (USA)
0675-1021 Hewlett-Packard Company Dba HP (USA)
0675-1021 PRIMARY Agilent Technologies, Inc. Div Agilent Technologies Headquarters (USA)
6S185B79 Ventelo (NLD)
Related Parts
5330-00-291-7447INTERCHANGEABLE
GASKET
15023A
5905-00-458-9500INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION

Frequently Asked Questions

What is NSN 5905-00-420-7124?

NSN 5905-00-420-7124 is a Resistor,fixed,composition, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-420-7124?

NSN 5905-00-420-7124 has 4 cross-referenced part numbers: BB1021 (Rockwell Automation, Inc. Dba Rockwell Automation), 0675-1021 (Hewlett-Packard Company Dba HP), 0675-1021 (Agilent Technologies, Inc. Div Agilent Technologies Headquarters), 6S185B79 (Ventelo).

What NSN replaces 5905-00-420-7124?

There are 2 known substitutes for 5905-00-420-7124: 5330-00-291-7447, 5905-00-458-9500. Verify interchangeability with system specifications before substitution.

What are the specifications of BB1021?

Key specifications for BB1021: Style Designator: AXIAL TERMINAL EACH END; Body Diameter: 0.062 INCHES NOMINAL IN; Ambient Temp at Full Rated Power: 70.0 CELSIUS DEGC; Ambient Temp in Deg Celsius at Zero Percent Rated Power: 130.0. 11 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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