PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4122-4Brush,electrical Contact

Kearfott Corp Div Kearfott Corporation · NSN 5977-01-096-2257 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-01-096-2257 — this item is cataloged by the U.S. Government under National Stock Number 5977-01-096-2257. Primary manufacturer part number: 4122-4.
Features
  • Brush,electrical Contact — FSC 5977
  • Style Designator: ONE PIECE
  • Shunt Insulation Provision and Quantity: 1 UNINSULATED
  • Brush Shunt Length: 1.875 INCHES NOMINAL SINGLE SHUNT IN
  • Contact Face Style: FLAT
  • Material: CARBON
  • Top Style: FLAT
  • Shunt Position Designator: 10
Applications
  • Applications requiring Carbon construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-01-096-2257, 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 Kearfott Corp Div Kearfott Corporation. Government technical data includes 11 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-01-096-2257
Primary Part Number4122-4
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerKearfott Corp Div Kearfott Corporation
StatusACTIVE
Style DesignatorONE PIECE
Shunt Insulation Provision and Quantity1 UNINSULATED
Brush Shunt Length1.875 INCHES NOMINAL SINGLE SHUNT IN
Contact Face StyleFLAT
MaterialCARBON
Top StyleFLAT
Shunt Position Designator10
Body StyleRECTANGULAR
Thickness0.188 INCHES NOMINAL IN
Length0.250 INCHES NOMINAL IN
Width0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5133-00-228-1401 INTERCHANGEABLE
Drill,twist
4730-00-374-695320120-24-24 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
3020-00-580-9262 INTERCHANGEABLE
Gear,helical
5962-01-088-949341224 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
Cross-Reference Index
Part NumberManufacturer
4122-4 Fl Aerospace Corp Janitrol Aero Div/general Design (USA)
4122-4 PRIMARY Kearfott Corp Div Kearfott Corporation (USA)
Related Parts
5133-00-228-1401INTERCHANGEABLE
DRILL,TWIST
4730-00-374-6953INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
20120-24-24
3020-00-580-9262INTERCHANGEABLE
GEAR,HELICAL
5962-01-088-9493INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
41224

Frequently Asked Questions

What is NSN 5977-01-096-2257?

NSN 5977-01-096-2257 is a Brush,electrical Contact, manufactured by Kearfott Corp Div Kearfott Corporation, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-01-096-2257?

NSN 5977-01-096-2257 has 2 cross-referenced part numbers: 4122-4 (Fl Aerospace Corp Janitrol Aero Div/general Design), 4122-4 (Kearfott Corp Div Kearfott Corporation).

What NSN replaces 5977-01-096-2257?

There are 4 known substitutes for 5977-01-096-2257: 5133-00-228-1401, 4730-00-374-6953, 3020-00-580-9262 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4122-4?

Key specifications for 4122-4: Style Designator: ONE PIECE; Shunt Insulation Provision and Quantity: 1 UNINSULATED; Brush Shunt Length: 1.875 INCHES NOMINAL SINGLE SHUNT IN; Contact Face Style: FLAT. 11 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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