PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-5742Brush,electrical Contact

Zenith Radio Corp of Iowa · NSN 5977-00-243-9192 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-243-9192 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-243-9192. Primary manufacturer part number: A-5742.
Features
  • Brush,electrical Contact — FSC 5977
  • Length: 0.625 INCHES NOMINAL IN
  • Shunt Insulation Provision and Quantity: 1 UNINSULATED
  • Pressure Spring Type and Quantity: 1 CYLINDRICAL
  • Material: GRAPHITE
  • Style Designator: ONE PIECE
  • Brush Shunt Length: 0.938 INCHES NOMINAL SINGLE SHUNT IN
  • Width: 0.216 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
Applications
  • Applications requiring Graphite construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-243-9192, 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 Zenith Radio Corp of Iowa. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-243-9192
Primary Part NumberA-5742
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerZenith Radio Corp of Iowa
StatusACTIVE
Length0.625 INCHES NOMINAL IN
Shunt Insulation Provision and Quantity1 UNINSULATED
Pressure Spring Type and Quantity1 CYLINDRICAL
MaterialGRAPHITE
Style DesignatorONE PIECE
Brush Shunt Length0.938 INCHES NOMINAL SINGLE SHUNT IN
Width0.216 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
Thickness0.122 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
Terminal Type and Quantity1 ROUND CAP W/EARS
Body StyleRECTANGULAR COMMUTATOR
Largest Outside Diameter0.170 INCHES MAXIMUM IN
Shunt Position Designator5
Terminal Diameter0.219 INCHES NOMINAL IN
Spring Free Length2.656 INCHES NOMINAL IN
Contact Face StyleFLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6220-00-544-5788A5742 INTERCHANGEABLE
Gear Assy,reduction
Grimes Aerospace Company
5120-01-004-2675A57-42 INTERCHANGEABLE
Adapter,bushing Driver
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5962-01-116-5358A574-2 INTERCHANGEABLE
Microcircuit,memory
Cae Usa Inc.
Cross-Reference Index
Part NumberManufacturer
A-5742 Zenith Radio Corp of Iowa (USA)
Related Parts
6220-00-544-5788INTERCHANGEABLE
GEAR ASSY,REDUCTION
A5742
5120-01-004-2675INTERCHANGEABLE
ADAPTER,BUSHING DRIVER
A57-42
5962-01-116-5358INTERCHANGEABLE
MICROCIRCUIT,MEMORY
A574-2

Frequently Asked Questions

What is NSN 5977-00-243-9192?

NSN 5977-00-243-9192 is a Brush,electrical Contact, manufactured by Zenith Radio Corp of Iowa, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-243-9192?

NSN 5977-00-243-9192 has 1 cross-referenced part number: A-5742 (Zenith Radio Corp of Iowa).

What NSN replaces 5977-00-243-9192?

There are 3 known substitutes for 5977-00-243-9192: 6220-00-544-5788, 5120-01-004-2675, 5962-01-116-5358. Verify interchangeability with system specifications before substitution.

What are the specifications of A-5742?

Key specifications for A-5742: Length: 0.625 INCHES NOMINAL IN; Shunt Insulation Provision and Quantity: 1 UNINSULATED; Pressure Spring Type and Quantity: 1 CYLINDRICAL; Material: GRAPHITE. 16 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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