PartsTable TECHNICAL DATA SHEET
SEPTEMBER 2026Technical Data Sheet

RC12-4401Brush,electrical Contact

Ucar Carbon Co Inc · NSN 5977-00-280-9048 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-280-9048 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-280-9048. Primary manufacturer part number: RC12-4401.
Features
  • Brush,electrical Contact — FSC 5977
  • Body Style: RECTANGULAR COMMUTATOR
  • Shunt Position Designator: 8
  • Material: ELECTROGRAPHITIC
  • Contact Face Style: FLAT
  • Top Style: FLAT WITH RIGHT EDGE BEVELED
  • Width: 1.375 INCHES NOMINAL IN
  • Material Document and Classification: NATIONAL GRADE SA-45 MFR REF SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Electrographitic construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-280-9048, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN5977-00-280-9048
Primary Part NumberRC12-4401
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerUcar Carbon Co Inc
StatusACTIVE
Body StyleRECTANGULAR COMMUTATOR
Shunt Position Designator8
MaterialELECTROGRAPHITIC
Contact Face StyleFLAT
Top StyleFLAT WITH RIGHT EDGE BEVELED
Width1.375 INCHES NOMINAL IN
Material Document and ClassificationNATIONAL GRADE SA-45 MFR REF SINGLE MATERIAL RESPONSE
Style DesignatorONE PIECE
Shunt Insulation Provision and Quantity1 INSULATED
Brush Shunt Length3.000 INCHES NOMINAL SINGLE SHUNT IN
Clip TypeNEMA HAMMER TYPE A
Terminal Type and Quantity1 STRAIGHT W/HOLE
Length1.250 INCHES NOMINAL IN
Thickness0.375 INCHES NOMINAL IN
Terminal Hole Diameter0.281 INCHES NOMINAL IN
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
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
5977-00-280-9038 INTERCHANGEABLE
Brush,electrical Contact
5977-00-280-9040 INTERCHANGEABLE
Brush,electrical Contact
Cross-Reference Index
Part NumberManufacturer
RC12-4401 Ucar Carbon Co Inc (USA)
3306DQ Reliance Electric Company Dba Reliance & Dodge Brands (USA)
S11244400401 National Electrical Carbon Products, Inc. Div Electrical (USA)
61005047 National Electrical Carbon Products, Inc. Div Electrical (USA)
NEMA NO. CB1 National Electrical Mfrs Assn Dba Nema (USA)
3306DQ Reliance Electric (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
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
5977-00-280-9038INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5977-00-280-9040INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5977-00-284-9890INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5977-00-445-7263INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT

Frequently Asked Questions

What is NSN 5977-00-280-9048?

NSN 5977-00-280-9048 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 5977-00-280-9048?

NSN 5977-00-280-9048 has 6 cross-referenced part numbers: RC12-4401 (Ucar Carbon Co Inc), 3306DQ (Reliance Electric Company Dba Reliance & Dodge Brands), S11244400401 (National Electrical Carbon Products, Inc. Div Electrical), 61005047 (National Electrical Carbon Products, Inc. Div Electrical), NEMA NO. CB1 (National Electrical Mfrs Assn Dba Nema) and 1 more.

What NSN replaces 5977-00-280-9048?

There are 12 known substitutes for 5977-00-280-9048: 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 RC12-4401?

Key specifications for RC12-4401: Body Style: RECTANGULAR COMMUTATOR; Shunt Position Designator: 8; Material: ELECTROGRAPHITIC; Contact Face Style: FLAT. 15 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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