PartsTable TECHNICAL DATA SHEET
SEPTEMBER 2026Technical Data Sheet

RC24-5203Brush,electrical Contact

Ucar Carbon Co Inc · NSN 5977-00-280-9038 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-280-9038 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-280-9038. Primary manufacturer part number: RC24-5203.
Features
  • Brush,electrical Contact — FSC 5977
  • Material: ELECTROGRAPHITIC
  • Terminal Type and Quantity: 2 STRAIGHT W/SLOT
  • Angle: 40.0 DEGREES NOMINAL
  • Material Document and Classification: NATIONAL GRADE SA-25 MFR REF SINGLE MATERIAL RESPONSE
  • Length: 2.250 INCHES NOMINAL IN
  • Thickness: 0.750 INCHES NOMINAL IN
  • Shunt Position Designator: 10 AND 12
Applications
  • Applications requiring Electrographitic construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-280-9038, 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 Ucar Carbon Co Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-280-9038
Primary Part NumberRC24-5203
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerUcar Carbon Co Inc
StatusACTIVE
MaterialELECTROGRAPHITIC
Terminal Type and Quantity2 STRAIGHT W/SLOT
Angle40.0 DEGREES NOMINAL
Material Document and ClassificationNATIONAL GRADE SA-25 MFR REF SINGLE MATERIAL RESPONSE
Length2.250 INCHES NOMINAL IN
Thickness0.750 INCHES NOMINAL IN
Shunt Position Designator10 AND 12
Bevel Angle30.0 DEGREES NOMINAL
Terminal Slot Width0.406 INCHES NOMINAL IN
Contact Face StyleBEVELED
Body StyleRECTANGULAR COMMUTATOR
Width1.625 INCHES NOMINAL IN
Peripheral Speed6000 FEET PER MINUTE FT
Brush Shunt Length4.500 INCHES NOMINAL SINGLE SHUNT IN
Shunt Insulation Provision and Quantity2 INSULATED
Top StyleBEVELED FRONT WITH LEFT AND RIGHT SHOULDER
Style DesignatorONE PIECE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5977-00-050-1480MS-100958-2 INTERCHANGEABLE
Brush,electrical Contact
Miraj Corp
5977-00-230-6021 INTERCHANGEABLE
Brush,electrical Contact
5977-00-239-7075 INTERCHANGEABLE
Brush,electrical Contact
5977-00-251-9873 INTERCHANGEABLE
Brush,electrical Contact
5999-00-274-2419 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5977-00-280-3106 INTERCHANGEABLE
Brush,electrical Contact
5977-00-280-4391 INTERCHANGEABLE
Brush,electrical Contact
5977-00-280-4673 INTERCHANGEABLE
Brush,electrical Contact
5977-00-280-9031 INTERCHANGEABLE
Brush,electrical Contact
5977-00-280-9040 INTERCHANGEABLE
Brush,electrical Contact
Cross-Reference Index
Part NumberManufacturer
RC24-5203 Ucar Carbon Co Inc (USA)
339292-1PC37 Elliott Company Div Jeannette (USA)
331931 Elliott Company Div Jeannette (USA)
61046979 National Electrical Carbon Products, Inc. Div Electrical (USA)
61002105 National Electrical Carbon Products, Inc. Div Electrical (USA)
293200 Elliott Company Div Jeannette (USA)
RC24-5203 National Electrical Carbon Products, Inc. Div Electrical (USA)
NEMA NO. CB1 National Electrical Mfrs Assn Dba Nema (USA)
Related Parts
5977-00-050-1480INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
MS-100958-2
5977-00-230-6021INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5977-00-239-7075INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5977-00-251-9873INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5999-00-274-2419INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5977-00-280-3106INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5977-00-280-4391INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5977-00-280-4673INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5977-00-280-9031INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5977-00-280-9040INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5977-00-280-9048INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5977-00-284-9890INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT

Frequently Asked Questions

What is NSN 5977-00-280-9038?

NSN 5977-00-280-9038 is a Brush,electrical Contact, manufactured by Ucar Carbon Co Inc, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-280-9038?

NSN 5977-00-280-9038 has 8 cross-referenced part numbers: RC24-5203 (Ucar Carbon Co Inc), 339292-1PC37 (Elliott Company Div Jeannette), 331931 (Elliott Company Div Jeannette), 61046979 (National Electrical Carbon Products, Inc. Div Electrical), 61002105 (National Electrical Carbon Products, Inc. Div Electrical) and 3 more.

What NSN replaces 5977-00-280-9038?

There are 12 known substitutes for 5977-00-280-9038: 5977-00-050-1480, 5977-00-230-6021, 5977-00-239-7075 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RC24-5203?

Key specifications for RC24-5203: Material: ELECTROGRAPHITIC; Terminal Type and Quantity: 2 STRAIGHT W/SLOT; Angle: 40.0 DEGREES NOMINAL; Material Document and Classification: NATIONAL GRADE SA-25 MFR REF SINGLE MATERIAL RESPONSE. 17 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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