PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3141-BZBrush,electrical Contact

Reliance Electric Company Dba Reliance & Dodge Brands · NSN 5977-00-239-4102 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-239-4102 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-239-4102. Primary manufacturer part number: 3141-BZ.
Features
  • Brush,electrical Contact — FSC 5977
  • Contact Face Style: BEVELED
  • Bevel Angle: 60.0 DEGREES NOMINAL
  • Material Document and Classification: NATIONAL GRADE SA-35 MFR REF SINGLE MATERIAL RESPONSE
  • Material: ELECTROGRAPHITIC
  • Length: 1.500 INCHES NOMINAL IN
  • Shunt Insulation Provision and Quantity: 1 UNINSULATED
  • Style Designator: ONE PIECE
Applications
  • Applications requiring Electrographitic construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-239-4102, is classified within Federal Supply Class 5977 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Reliance Electric Company Dba Reliance & Dodge Brands. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-239-4102
Primary Part Number3141-BZ
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerReliance Electric Company Dba Reliance & Dodge Brands
StatusACTIVE
Contact Face StyleBEVELED
Bevel Angle60.0 DEGREES NOMINAL
Material Document and ClassificationNATIONAL GRADE SA-35 MFR REF SINGLE MATERIAL RESPONSE
MaterialELECTROGRAPHITIC
Length1.500 INCHES NOMINAL IN
Shunt Insulation Provision and Quantity1 UNINSULATED
Style DesignatorONE PIECE
Terminal Type and Quantity1 STRAIGHT W/SLOT
Body StyleRECTANGULAR COMMUTATOR
Angle50.0 DEGREES NOMINAL
Brush Shunt Length2.125 INCHES NOMINAL SINGLE SHUNT IN
Terminal Slot Width0.219 INCHES NOMINAL IN
Thickness0.371 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Top StyleBEVELED FRONT WITH RIGHT SHOULDER
Shunt Position Designator10
Width0.984 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5977-00-239-4090 INTERCHANGEABLE
Brush,electrical Contact
5977-00-384-890115045BR74 INTERCHANGEABLE
Brush,electrical Contact
Elf Atochem North America Inc
5977-00-557-6056894A507PT1 INTERCHANGEABLE
Brush,electrical Contact
General Electric Co Direct Current Motor and Generator Dept
Cross-Reference Index
Part NumberManufacturer
RC12-3207N Ucar Carbon Co Inc (USA)
RC12-3207N National Electrical Carbon Products, Inc. Div Electrical (USA)
3141-BZ PRIMARY Reliance Electric Company Dba Reliance & Dodge Brands (USA)
3141-BZ Reliance Electric (USA)
NEMA CB 1-1956 National Electrical Mfrs Assn (USA)
Related Parts
5977-00-239-4090INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5977-00-384-8901INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
15045BR74
5977-00-557-6056INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
894A507PT1

Frequently Asked Questions

What is NSN 5977-00-239-4102?

NSN 5977-00-239-4102 is a Brush,electrical Contact, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-239-4102?

NSN 5977-00-239-4102 has 5 cross-referenced part numbers: RC12-3207N (Ucar Carbon Co Inc), RC12-3207N (National Electrical Carbon Products, Inc. Div Electrical), 3141-BZ (Reliance Electric Company Dba Reliance & Dodge Brands), 3141-BZ (Reliance Electric), NEMA CB 1-1956 (National Electrical Mfrs Assn).

What NSN replaces 5977-00-239-4102?

There are 3 known substitutes for 5977-00-239-4102: 5977-00-239-4090, 5977-00-384-8901, 5977-00-557-6056. Verify interchangeability with system specifications before substitution.

What are the specifications of 3141-BZ?

Key specifications for 3141-BZ: Contact Face Style: BEVELED; Bevel Angle: 60.0 DEGREES NOMINAL; Material Document and Classification: NATIONAL GRADE SA-35 MFR REF SINGLE MATERIAL RESPONSE; Material: ELECTROGRAPHITIC. 16 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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