PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S2479Holder,electrical Contact Brush

Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies · NSN 5977-00-366-8341 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-366-8341 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-366-8341. Primary manufacturer part number: S2479.
Features
  • Holder,electrical Contact Brush — FSC 5977
  • Terminal Quantity: 1
  • Inside Width: 0.516 INCHES NOMINAL IN
  • Style Designator: RECTANGLE
  • Mounting Facility: UNTHREADED HOLES
  • Inside Length: 0.750 INCHES NOMINAL IN
  • Overall Thickness: 2.125 INCHES NOMINAL IN
  • Brush Pressure Spring Type Accommodated: HELICAL TORSION
Applications
  • Applications requiring Copper Alloy Box construction
General Description

The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-366-8341, 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 Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-366-8341
Primary Part NumberS2479
Item NameHolder,electrical Contact Brush
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerLouis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies
StatusACTIVE
Terminal Quantity1
Inside Width0.516 INCHES NOMINAL IN
Style DesignatorRECTANGLE
Mounting FacilityUNTHREADED HOLES
Inside Length0.750 INCHES NOMINAL IN
Overall Thickness2.125 INCHES NOMINAL IN
Brush Pressure Spring Type AccommodatedHELICAL TORSION
Inside Thickness0.266 INCHES NOMINAL IN
Brush Spring AdjustabilityADJUSTABLE
Mounting Facility Quantity1
Terminal TypeSCREW
Brush Quantity Accommodated Per Holder1
MaterialCOPPER ALLOY BOX
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5985-00-097-7374 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Cross-Reference Index
Part NumberManufacturer
S2479 Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies (USA)
US1003 Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies (USA)
Related Parts
5985-00-097-7374INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS

Frequently Asked Questions

What is NSN 5977-00-366-8341?

NSN 5977-00-366-8341 is a Holder,electrical Contact Brush, manufactured by Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-366-8341?

NSN 5977-00-366-8341 has 2 cross-referenced part numbers: S2479 (Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies), US1003 (Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies).

What NSN replaces 5977-00-366-8341?

There is 1 known substitute for 5977-00-366-8341: 5985-00-097-7374. Verify interchangeability with system specifications before substitution.

What are the specifications of S2479?

Key specifications for S2479: Terminal Quantity: 1; Inside Width: 0.516 INCHES NOMINAL IN; Style Designator: RECTANGLE; Mounting Facility: UNTHREADED HOLES. 15 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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