PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K5855143AC1Holder,electrical Contact Brush

General Electric Co Motor Business Group · NSN 5977-00-240-1492 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-240-1492 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-240-1492. Primary manufacturer part number: K5855143AC1.
Features
  • Holder,electrical Contact Brush — FSC 5977
  • Mounting Facility Quantity: 1
  • Mounting Facility: PRESS FIT
  • Brush Spring Adjustability: NONADJUSTABLE
  • Brush Pressure Spring Type Accommodated: SPIRAL TORSION
  • Inside Length: 0.688 INCHES NOMINAL IN
  • Material: COPPER ALLOY AND FIBER BOX
  • Inside Diameter: 0.190 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy and Fiber Box construction
General Description

The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-240-1492, 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 General Electric Co Motor Business Group. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN5977-00-240-1492
Primary Part NumberK5855143AC1
Item NameHolder,electrical Contact Brush
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerGeneral Electric Co Motor Business Group
StatusACTIVE
Mounting Facility Quantity1
Mounting FacilityPRESS FIT
Brush Spring AdjustabilityNONADJUSTABLE
Brush Pressure Spring Type AccommodatedSPIRAL TORSION
Inside Length0.688 INCHES NOMINAL IN
MaterialCOPPER ALLOY AND FIBER BOX
Inside Diameter0.190 INCHES NOMINAL IN
Overall Diameter0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-01-358-291161-1573 INTERCHANGEABLE
Assembly,drain
Sea-Tech Systems, Inc. Dba Sea Tech Systems
4720-01-707-453061157-3 INTERCHANGEABLE
Hose Assembly,nonmetallic
Fisica Applied Technologies, Inc. Div Randtron Antenna Systems
Cross-Reference Index
Part NumberManufacturer
611573 Bell and Howell Phillipsburg Co Corporate Offices (USA)
K5855143AC1 PRIMARY General Electric Co Motor Business Group (USA)
K5855143AC2 PRIMARY General Electric Co Motor Business Group (USA)
Related Parts
4730-01-358-2911INTERCHANGEABLE
ASSEMBLY,DRAIN
61-1573
4720-01-707-4530INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
61157-3

Frequently Asked Questions

What is NSN 5977-00-240-1492?

NSN 5977-00-240-1492 is a Holder,electrical Contact Brush, manufactured by General Electric Co Motor Business Group, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-240-1492?

NSN 5977-00-240-1492 has 3 cross-referenced part numbers: 611573 (Bell and Howell Phillipsburg Co Corporate Offices), K5855143AC1 (General Electric Co Motor Business Group), K5855143AC2 (General Electric Co Motor Business Group).

What NSN replaces 5977-00-240-1492?

There are 2 known substitutes for 5977-00-240-1492: 4730-01-358-2911, 4720-01-707-4530. Verify interchangeability with system specifications before substitution.

What are the specifications of K5855143AC1?

Key specifications for K5855143AC1: Mounting Facility Quantity: 1; Mounting Facility: PRESS FIT; Brush Spring Adjustability: NONADJUSTABLE; Brush Pressure Spring Type Accommodated: SPIRAL TORSION. 9 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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