PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73BBrush,electrical Contact

International Contact Technologies Corp · NSN 5977-00-234-9548 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-234-9548 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-234-9548. Primary manufacturer part number: 73B.
Features
  • Brush,electrical Contact — FSC 5977
  • Material: CARBON
  • Body Style: RECTANGULAR
  • Brush Shunt Length: 2.375 INCHES NOMINAL SINGLE SHUNT IN
  • Contact Face Style: FLAT
  • Material Document and Classification: OHIO CARBON CO STOCK NO. 73B MFR REF SINGLE MATERIAL RESPONSE
  • Terminal Diameter: 0.500 INCHES NOMINAL IN
  • Pressure Spring Type and Quantity: 1 CYLINDRICAL
Applications
  • Applications requiring Carbon construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-234-9548, 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 International Contact Technologies Corp. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-234-9548
Primary Part Number73B
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerInternational Contact Technologies Corp
StatusACTIVE
MaterialCARBON
Body StyleRECTANGULAR
Brush Shunt Length2.375 INCHES NOMINAL SINGLE SHUNT IN
Contact Face StyleFLAT
Material Document and ClassificationOHIO CARBON CO STOCK NO. 73B MFR REF SINGLE MATERIAL RESPONSE
Terminal Diameter0.500 INCHES NOMINAL IN
Pressure Spring Type and Quantity1 CYLINDRICAL
Largest Outside Diameter0.430 INCHES NOMINAL IN
Style DesignatorONE PIECE
Shunt Insulation Provision and Quantity1 UNINSULATED
Shunt Position Designator5
Thickness0.500 INCHES NOMINAL IN
Length1.000 INCHES NOMINAL IN
Width0.500 INCHES NOMINAL IN
Terminal Type and Quantity1 ROUND CAP
Spring Free Length2.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5940-00-665-9559 INTERCHANGEABLE
Splice,conductor
6635-01-419-7675 INTERCHANGEABLE
Tester,torque Wrench
Cross-Reference Index
Part NumberManufacturer
SK-124 International Contact Technologies Corp (USA)
73B PRIMARY International Contact Technologies Corp (USA)
Related Parts
5940-00-665-9559INTERCHANGEABLE
SPLICE,CONDUCTOR
6635-01-419-7675INTERCHANGEABLE
TESTER,TORQUE WRENCH

Frequently Asked Questions

What is NSN 5977-00-234-9548?

NSN 5977-00-234-9548 is a Brush,electrical Contact, manufactured by International Contact Technologies Corp, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-234-9548?

NSN 5977-00-234-9548 has 2 cross-referenced part numbers: SK-124 (International Contact Technologies Corp), 73B (International Contact Technologies Corp).

What NSN replaces 5977-00-234-9548?

There are 2 known substitutes for 5977-00-234-9548: 5940-00-665-9559, 6635-01-419-7675. Verify interchangeability with system specifications before substitution.

What are the specifications of 73B?

Key specifications for 73B: Material: CARBON; Special Features: 1 PRESSURE SPRING,TERMINAL TYPE AND QUANTITY,1 CAP; Body Style: RECTANGULAR; Brush Shunt Length: 2.375 INCHES NOMINAL SINGLE SHUNT IN. 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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