PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

24RBrush,electrical Contact

Helwig Carbon Products Inc · NSN 5977-00-234-9532 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-234-9532 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-234-9532. Primary manufacturer part number: 24R.
Features
  • Brush,electrical Contact — FSC 5977
  • Style Designator: ONE PIECE
  • Terminal Type and Quantity: 1 STRAIGHT W/SLOT
  • Shunt Insulation Provision and Quantity: 1 UNINSULATED
  • Contact Face Style: CONCAVE
  • Thickness: 0.500 INCHES NOMINAL IN
  • Brush Shunt Length: 2.250 INCHES NOMINAL SINGLE SHUNT IN
  • Material: GRAPHITE
Applications
  • Applications requiring Graphite construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-234-9532, 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 Helwig Carbon Products Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5977-00-234-9532
Primary Part Number24R
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerHelwig Carbon Products Inc
StatusCANCELLED
Style DesignatorONE PIECE
Terminal Type and Quantity1 STRAIGHT W/SLOT
Shunt Insulation Provision and Quantity1 UNINSULATED
Contact Face StyleCONCAVE
Thickness0.500 INCHES NOMINAL IN
Brush Shunt Length2.250 INCHES NOMINAL SINGLE SHUNT IN
MaterialGRAPHITE
Width1.250 INCHES NOMINAL IN
Body StyleRECTANGULAR COMMUTATOR
Length1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
2640-00-138-8290 INTERCHANGEABLE
Flap,inner Tube,pneumatic Tire
5120-00-595-9555 INTERCHANGEABLE
Pliers,retaining Ring
2910-00-997-239410004600 INTERCHANGEABLE
Pump,engine Priming,hand Driven
Cummins Inc.
5330-01-161-247124R INTERCHANGEABLE
Gasket
Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric
5120-01-431-627824R INTERCHANGEABLE
Clamp,plier
Stanley Tools Div of Stanley Works
Cross-Reference Index
Part NumberManufacturer
24R PRIMARY Helwig Carbon Products Inc (USA)
HC3103 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
Related Parts
2640-00-138-8290INTERCHANGEABLE
FLAP,INNER TUBE,PNEUMATIC TIRE
5120-00-595-9555INTERCHANGEABLE
PLIERS,RETAINING RING
2910-00-997-2394INTERCHANGEABLE
PUMP,ENGINE PRIMING,HAND DRIVEN
10004600
5330-01-161-2471INTERCHANGEABLE
GASKET
24R
5120-01-431-6278INTERCHANGEABLE
CLAMP,PLIER
24R

Frequently Asked Questions

What is NSN 5977-00-234-9532?

NSN 5977-00-234-9532 is a Brush,electrical Contact, manufactured by Helwig Carbon Products Inc, classified under FSC 5977 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5977-00-234-9532?

NSN 5977-00-234-9532 has 2 cross-referenced part numbers: 24R (Helwig Carbon Products Inc), HC3103 (Federal Mogul Corp Sub Wagner Brake Moog Automotive Div).

What NSN replaces 5977-00-234-9532?

There are 5 known substitutes for 5977-00-234-9532: 2640-00-138-8290, 5120-00-595-9555, 2910-00-997-2394 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 24R?

Key specifications for 24R: Style Designator: ONE PIECE; Terminal Type and Quantity: 1 STRAIGHT W/SLOT; Shunt Insulation Provision and Quantity: 1 UNINSULATED; Contact Face Style: CONCAVE. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5977-00-234-9532 still in active supply?

NSN 5977-00-234-9532 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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