PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25501Brush,electrical Contact

Champion Aerospace Llc · NSN 5977-00-636-0757 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-636-0757 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-636-0757. Primary manufacturer part number: 25501.
Features
  • Brush,electrical Contact — FSC 5977
  • Width: 0.375 INCHES NOMINAL IN
  • Terminal Diameter: 0.344 INCHES NOMINAL IN
  • Top Style: CYLINDRICAL HEAD WITH NECK
  • Material Document and Classification: SPEER CARBON CO,GR 698 MFR REF SINGLE MATERIAL RESPONSE
  • Shunt Insulation Provision and Quantity: 1 UNINSULATED
  • Material: COPPER GRAPHITE
  • Style Designator: ONE PIECE
Applications
  • Applications requiring Copper Graphite construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-636-0757, 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 Champion Aerospace Llc. Government technical data includes 22 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-636-0757
Primary Part Number25501
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerChampion Aerospace Llc
StatusACTIVE
Width0.375 INCHES NOMINAL IN
Terminal Diameter0.344 INCHES NOMINAL IN
Top StyleCYLINDRICAL HEAD WITH NECK
Material Document and ClassificationSPEER CARBON CO,GR 698 MFR REF SINGLE MATERIAL RESPONSE
Shunt Insulation Provision and Quantity1 UNINSULATED
MaterialCOPPER GRAPHITE
Style DesignatorONE PIECE
Terminal Type and Quantity1 ROUND CAP
Pressure Spring Type and Quantity1 CYLINDRICAL
Contact Face StyleFLAT
Brush Shunt Length1.688 INCHES NOMINAL SINGLE SHUNT IN
Shunt Position Designator5
Thickness0.250 INCHES NOMINAL IN
Head Length0.125 INCHES NOMINAL IN
Spring Free Length1.688 INCHES NOMINAL IN
Neck Length0.160 INCHES NOMINAL IN
Neck Diameter0.040 INCHES NOMINAL IN
Length0.875 INCHES NOMINAL IN
Body StyleRECTANGULAR COMMUTATOR
Peripheral Speed6000 FEET PER MINUTE FT
Largest Outside Diameter0.250 INCHES NOMINAL IN
Head Diameter0.200 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4820-00-756-55372736 INTERCHANGEABLE
Seat,valve
Lawler Manufacturing Company, Inc.
5315-01-037-524411449 INTERCHANGEABLE
Pin,spring
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
5325-01-067-903125501 INTERCHANGEABLE
Ring,retaining
Bowmar Llc Dba Bowmar Instrument Corp
6110-01-087-90712550-1 INTERCHANGEABLE
Panel,power Distribution
Naval Ship Systems Command
5998-01-242-975525-501 INTERCHANGEABLE
Circuit Card Assembly
Olympus America Inc
3040-01-299-5771 INTERCHANGEABLE
Gearshaft,spur
Cross-Reference Index
Part NumberManufacturer
25501 Ryan Equipment Co Inc (USA)
25501 PRIMARY Champion Aerospace Llc (USA)
ANSI/NEMA PUB NO. CB1 National Electrical Mfrs Assn (USA)
MILB003743 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4820-00-756-5537INTERCHANGEABLE
SEAT,VALVE
2736
5315-01-037-5244INTERCHANGEABLE
PIN,SPRING
11449
5325-01-067-9031INTERCHANGEABLE
RING,RETAINING
25501
6110-01-087-9071INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
2550-1
5998-01-242-9755INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
25-501
3040-01-299-5771INTERCHANGEABLE
GEARSHAFT,SPUR

Frequently Asked Questions

What is NSN 5977-00-636-0757?

NSN 5977-00-636-0757 is a Brush,electrical Contact, manufactured by Champion Aerospace Llc, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-636-0757?

NSN 5977-00-636-0757 has 4 cross-referenced part numbers: 25501 (Ryan Equipment Co Inc), 25501 (Champion Aerospace Llc), ANSI/NEMA PUB NO. CB1 (National Electrical Mfrs Assn), MILB003743 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5977-00-636-0757?

There are 6 known substitutes for 5977-00-636-0757: 4820-00-756-5537, 5315-01-037-5244, 5325-01-067-9031 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25501?

Key specifications for 25501: Width: 0.375 INCHES NOMINAL IN; Terminal Diameter: 0.344 INCHES NOMINAL IN; Top Style: CYLINDRICAL HEAD WITH NECK; Material Document and Classification: SPEER CARBON CO,GR 698 MFR REF SINGLE MATERIAL RESPONSE. 22 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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