PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

63037370Brush,electrical Contact

National Electrical Carbon Products, Inc. Div Electrical · NSN 5977-00-237-1609 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-237-1609 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-237-1609. Primary manufacturer part number: 63037370.
Features
  • Brush,electrical Contact — FSC 5977
  • Slot Depth: 0.065 INCHES NOMINAL IN
  • Style Designator: ONE PIECE
  • Body Style: RECTANGULAR COMMUTATOR
  • Contact Face Style: CONCAVE ON BEVEL
  • Outer Edge to Slot Edge Distance: 0.172 INCHES NOMINAL IN
  • Brush Shunt Length: 2.625 INCHES NOMINAL SINGLE SHUNT IN
  • Material Document and Classification: NATIONAL CARBON CO GRADE SA50 MFR REF SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Electrographitic construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-237-1609, 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 National Electrical Carbon Products, Inc. Div Electrical. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5977-00-237-1609
Primary Part Number63037370
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerNational Electrical Carbon Products, Inc. Div Electrical
StatusCANCELLED
Slot Depth0.065 INCHES NOMINAL IN
Style DesignatorONE PIECE
Body StyleRECTANGULAR COMMUTATOR
Contact Face StyleCONCAVE ON BEVEL
Outer Edge to Slot Edge Distance0.172 INCHES NOMINAL IN
Brush Shunt Length2.625 INCHES NOMINAL SINGLE SHUNT IN
Material Document and ClassificationNATIONAL CARBON CO GRADE SA50 MFR REF SINGLE MATERIAL RESPONSE
Shunt Insulation Provision and Quantity1 UNINSULATED
MaterialELECTROGRAPHITIC
Slot Width0.281 INCHES NOMINAL IN
Terminal Type and Quantity1 STRAIGHT W/HOLE
Length1.250 INCHES NOMINAL IN
Shunt Position Designator10
Width0.615 INCHES NOMINAL IN
Terminal Hole Diameter0.219 INCHES NOMINAL IN
Radius1.687 INCHES NOMINAL IN
Thickness0.375 INCHES NOMINAL IN
Top StyleFLAT WITH RECTANGULAR SLOT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5950-01-366-46112663184G001 INTERCHANGEABLE
Transformer,radio Frequency
L3harris Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
63037370 National Electrical Carbon Products, Inc. Div Electrical (USA)
P31C46 Lincoln Electric Holdings Inc (USA)
T6968 Libby Power Systems, Llc (USA)
T-6968 Lincoln Electric Holdings Inc (USA)
Related Parts
5950-01-366-4611INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
2663184G001

Frequently Asked Questions

What is NSN 5977-00-237-1609?

NSN 5977-00-237-1609 is a Brush,electrical Contact, manufactured by National Electrical Carbon Products, Inc. Div Electrical, classified under FSC 5977 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5977-00-237-1609?

NSN 5977-00-237-1609 has 4 cross-referenced part numbers: 63037370 (National Electrical Carbon Products, Inc. Div Electrical), P31C46 (Lincoln Electric Holdings Inc), T6968 (Libby Power Systems, Llc), T-6968 (Lincoln Electric Holdings Inc).

What NSN replaces 5977-00-237-1609?

There is 1 known substitute for 5977-00-237-1609: 5950-01-366-4611. Verify interchangeability with system specifications before substitution.

What are the specifications of 63037370?

Key specifications for 63037370: Slot Depth: 0.065 INCHES NOMINAL IN; Style Designator: ONE PIECE; Body Style: RECTANGULAR COMMUTATOR; Contact Face Style: CONCAVE ON BEVEL. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5977-00-237-1609 still in active supply?

NSN 5977-00-237-1609 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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