PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41109Brush,electrical Contact

White Motor Corp · NSN 5977-00-636-1379 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-636-1379 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-636-1379. Primary manufacturer part number: 41109.
Features
  • Brush,electrical Contact — FSC 5977
  • Radius: 0.484 INCHES NOMINAL IN
  • Thickness: 0.187 INCHES NOMINAL IN
  • Largest Outside Diameter: 0.230 INCHES NOMINAL IN
  • Spring Free Length: 1.875 INCHES NOMINAL IN
  • Style Designator: ONE PIECE
  • Pressure Spring Type and Quantity: 1 CYLINDRICAL
  • Brush Shunt Length: 1.188 INCHES NOMINAL SINGLE SHUNT IN
Applications
  • Applications requiring Carbon construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-636-1379, 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 White Motor Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-636-1379
Primary Part Number41109
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerWhite Motor Corp
StatusACTIVE
Radius0.484 INCHES NOMINAL IN
Thickness0.187 INCHES NOMINAL IN
Largest Outside Diameter0.230 INCHES NOMINAL IN
Spring Free Length1.875 INCHES NOMINAL IN
Style DesignatorONE PIECE
Pressure Spring Type and Quantity1 CYLINDRICAL
Brush Shunt Length1.188 INCHES NOMINAL SINGLE SHUNT IN
Terminal Type and Quantity1 ROUND CAP W/EARS
MaterialCARBON
Top StyleCYLINDRICAL HEAD
Contact Face StyleCONCAVE
Shunt Insulation Provision and Quantity1 UNINSULATED
Shunt Position Designator5
Body StyleRECTANGULAR COMMUTATOR
Width0.306 INCHES NOMINAL IN
Head Diameter0.187 INCHES NOMINAL IN
Head Length0.094 INCHES NOMINAL IN
Length0.719 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-164-425021-140CA INTERCHANGEABLE
Terminal Board
Cinch Connectivity Solutions Inc.
5133-00-189-9187 INTERCHANGEABLE
Drill,twist
5315-00-248-9385PM-21140 INTERCHANGEABLE
Pin,straight,headless
Mason Electric Co. Dba Mason Controls
2920-00-474-9843A326167 INTERCHANGEABLE
Flyweight
U S Army Tank Automotive Command Amsta-Im-Mm
3110-00-523-0773409074-1 INTERCHANGEABLE
Bearing,roller,rod End
Lockheed Martin Corp
5930-00-548-8471149455QHC INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5310-00-709-76149175856 INTERCHANGEABLE
Washer,matched Set
Us Army Aviation and Missile Command
5950-00-845-5581056-000447 INTERCHANGEABLE
Saturable Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5905-00-930-71870839-0022 INTERCHANGEABLE
Resistor,thermal
Keysight Technologies Inc
5985-01-090-951241109 INTERCHANGEABLE
Switch,waveguide
Waveline Inc
Cross-Reference Index
Part NumberManufacturer
41109 White Motor Corp (USA)
16A3749 Napco International Llc Dba Napco International Inc (USA)
17986R Diamond Reo Truck Co (USA)
176226 Sasco Inc Canadian Div
A55A770 Titan Corp the (USA)
2-1140 Titan Corp the (USA)
Related Parts
5940-00-164-4250INTERCHANGEABLE
TERMINAL BOARD
21-140CA
5133-00-189-9187INTERCHANGEABLE
DRILL,TWIST
5315-00-248-9385INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
PM-21140
2920-00-474-9843INTERCHANGEABLE
FLYWEIGHT
A326167
3110-00-523-0773INTERCHANGEABLE
BEARING,ROLLER,ROD END
409074-1
5930-00-548-8471INTERCHANGEABLE
SWITCH,ROTARY
149455QHC
5310-00-709-7614INTERCHANGEABLE
WASHER,MATCHED SET
9175856
5950-00-845-5581INTERCHANGEABLE
SATURABLE REACTOR
056-000447
5905-00-930-7187INTERCHANGEABLE
RESISTOR,THERMAL
0839-0022
5985-01-090-9512INTERCHANGEABLE
SWITCH,WAVEGUIDE
41109
5910-01-126-4735INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
SM-D-414173
5330-01-157-5404INTERCHANGEABLE
GLAND,PACKING
21140

Frequently Asked Questions

What is NSN 5977-00-636-1379?

NSN 5977-00-636-1379 is a Brush,electrical Contact, manufactured by White Motor Corp, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-636-1379?

NSN 5977-00-636-1379 has 6 cross-referenced part numbers: 41109 (White Motor Corp), 16A3749 (Napco International Llc Dba Napco International Inc), 17986R (Diamond Reo Truck Co), 176226 (Sasco Inc Canadian Div), A55A770 (Titan Corp the) and 1 more.

What NSN replaces 5977-00-636-1379?

There are 12 known substitutes for 5977-00-636-1379: 5940-00-164-4250, 5133-00-189-9187, 5315-00-248-9385 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41109?

Key specifications for 41109: Radius: 0.484 INCHES NOMINAL IN; Thickness: 0.187 INCHES NOMINAL IN; Largest Outside Diameter: 0.230 INCHES NOMINAL IN; Spring Free Length: 1.875 INCHES NOMINAL IN. 18 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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