PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-210644-06Brush,electrical Contact

Hilti Inc · NSN 5977-00-239-4090 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-239-4090 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-239-4090. Primary manufacturer part number: 3-210644-06.
Features
  • Brush,electrical Contact — FSC 5977
  • Length: 1.375 INCHES NOMINAL IN
  • Terminal Type and Quantity: 1 STRAIGHT W/SLOT
  • Shunt Insulation Provision and Quantity: 1 UNINSULATED
  • Contact Face Style: FLAT
  • Top Style: FLAT
  • Material: ELECTROGRAPHITIC
  • Shunt Position Designator: 2
Applications
  • Applications requiring Electrographitic construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-239-4090, 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 Hilti Inc. Government technical data includes 14 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5977-00-239-4090
Primary Part Number3-210644-06
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerHilti Inc
StatusCANCELLED
Length1.375 INCHES NOMINAL IN
Terminal Type and Quantity1 STRAIGHT W/SLOT
Shunt Insulation Provision and Quantity1 UNINSULATED
Contact Face StyleFLAT
Top StyleFLAT
MaterialELECTROGRAPHITIC
Shunt Position Designator2
Material Document and ClassificationMORGANITE INC GRADE EG14 MFR REF SINGLE MATERIAL RESPONSE
Brush Shunt Length3.000 INCHES MINIMUM AND 3.250 INCHES MAXIMUM SINGLE SHUNT IN
Width0.985 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
Body StyleRECTANGULAR COMMUTATOR
Terminal Slot Width0.234 INCHES NOMINAL IN
Style DesignatorONE PIECE
Thickness0.496 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5960-00-004-195910632 INTERCHANGEABLE
Electron Tube
Olympus America Inc
5962-00-186-85152868541-1 INTERCHANGEABLE
Microcircuit,linear
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5120-00-203-48001258 INTERCHANGEABLE
Wrench,open End
Martin Sprocket and Gear Inc
5977-00-239-41023141-BZ INTERCHANGEABLE
Brush,electrical Contact
Reliance Electric Company Dba Reliance & Dodge Brands
5960-00-262-0189 INTERCHANGEABLE
Electron Tube
5977-00-384-890115045BR74 INTERCHANGEABLE
Brush,electrical Contact
Elf Atochem North America Inc
2940-00-497-633351258 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
2805-00-517-9909 INTERCHANGEABLE
Valve,poppet,engine
5977-00-557-6056894A507PT1 INTERCHANGEABLE
Brush,electrical Contact
General Electric Co Direct Current Motor and Generator Dept
5305-00-639-86091258 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
Cross-Reference Index
Part NumberManufacturer
3-210644-06 Hilti Inc (USA)
NEMA CB 1-1956 National Electrical Mfrs Assn (USA)
01-01190 National Electrical Carbon Products, Inc. Div Electrical (USA)
1258 Century Electric Inc (USA)
01-01190 Morganite Inc (USA)
Related Parts
5960-00-004-1959INTERCHANGEABLE
ELECTRON TUBE
10632
5962-00-186-8515INTERCHANGEABLE
MICROCIRCUIT,LINEAR
2868541-1
5120-00-203-4800INTERCHANGEABLE
WRENCH,OPEN END
1258
5977-00-239-4102INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
3141-BZ
5960-00-262-0189INTERCHANGEABLE
ELECTRON TUBE
5977-00-384-8901INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
15045BR74
2940-00-497-6333INTERCHANGEABLE
FILTER ELEMENT,FLUID
51258
2805-00-517-9909INTERCHANGEABLE
VALVE,POPPET,ENGINE
5977-00-557-6056INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
894A507PT1
5305-00-639-8609INTERCHANGEABLE
SCREW,MACHINE
1258
5340-00-680-8889INTERCHANGEABLE
HANDLE,BOW
5325-00-835-6012INTERCHANGEABLE
RING,RETAINING
11860

Frequently Asked Questions

What is NSN 5977-00-239-4090?

NSN 5977-00-239-4090 is a Brush,electrical Contact, manufactured by Hilti Inc, classified under FSC 5977 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5977-00-239-4090?

NSN 5977-00-239-4090 has 5 cross-referenced part numbers: 3-210644-06 (Hilti Inc), NEMA CB 1-1956 (National Electrical Mfrs Assn), 01-01190 (National Electrical Carbon Products, Inc. Div Electrical), 1258 (Century Electric Inc), 01-01190 (Morganite Inc).

What NSN replaces 5977-00-239-4090?

There are 12 known substitutes for 5977-00-239-4090: 5960-00-004-1959, 5962-00-186-8515, 5120-00-203-4800 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-210644-06?

Key specifications for 3-210644-06: Length: 1.375 INCHES NOMINAL IN; Terminal Type and Quantity: 1 STRAIGHT W/SLOT; Shunt Insulation Provision and Quantity: 1 UNINSULATED; Contact Face Style: FLAT. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5977-00-239-4090 still in active supply?

NSN 5977-00-239-4090 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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