PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78524Insert,electrical Contact Brush

Prestolite Electric Inc · NSN 5977-01-105-2549 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-01-105-2549 — this item is cataloged by the U.S. Government under National Stock Number 5977-01-105-2549. Primary manufacturer part number: 78524.
Features
  • Insert,electrical Contact Brush — FSC 5977
  • Material: PLASTIC
  • Shape: IRREGULAR
  • Overall Thickness: 3.650 INCHES MINIMUM AND 3.790 INCHES MAXIMUM IN
  • Mounting Configuration: 4 0.175 IN. MIN 0.185 IN. MAX DIA MTG HOLES ON 2.624 IN. DIA BOLT CIRCLE IN
  • 5 verified cross-references
  • Primary manufacturer: Prestolite Electric Inc
Applications
  • Applications requiring Plastic construction
General Description

The Insert,electrical Contact Brush, cataloged under National Stock Number 5977-01-105-2549, 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 Prestolite Electric Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-01-105-2549
Primary Part Number78524
Item NameInsert,electrical Contact Brush
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusACTIVE
MaterialPLASTIC
ShapeIRREGULAR
Overall Thickness3.650 INCHES MINIMUM AND 3.790 INCHES MAXIMUM IN
Mounting Configuration4 0.175 IN. MIN 0.185 IN. MAX DIA MTG HOLES ON 2.624 IN. DIA BOLT CIRCLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2810-00-613-030715B21319 INTERCHANGEABLE
Socket,hydraulic
Textron Lycoming Inc Williamsport Plant
2910-01-325-3178NW35905 INTERCHANGEABLE
Filter Element,fluid
Tld Wollard Llc
Cross-Reference Index
Part NumberManufacturer
78524 PRIMARY Prestolite Electric Inc (USA)
A027078524 Prestolite Electric Inc (USA)
A009078524 Prestolite Electric Inc (USA)
78524 Prestolite Electric Inc (USA)
A027078524 Prestolite Electric Inc (USA)
Related Parts
2810-00-613-0307INTERCHANGEABLE
SOCKET,HYDRAULIC
15B21319
2910-01-325-3178INTERCHANGEABLE
FILTER ELEMENT,FLUID
NW35905

Frequently Asked Questions

What is NSN 5977-01-105-2549?

NSN 5977-01-105-2549 is a Insert,electrical Contact Brush, manufactured by Prestolite Electric Inc, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-01-105-2549?

NSN 5977-01-105-2549 has 5 cross-referenced part numbers: 78524 (Prestolite Electric Inc), A027078524 (Prestolite Electric Inc), A009078524 (Prestolite Electric Inc), 78524 (Prestolite Electric Inc), A027078524 (Prestolite Electric Inc).

What NSN replaces 5977-01-105-2549?

There are 2 known substitutes for 5977-01-105-2549: 2810-00-613-0307, 2910-01-325-3178. Verify interchangeability with system specifications before substitution.

What are the specifications of 78524?

Key specifications for 78524: Overall Width: 2.730 INCHES MINIMUM AND 2.770 INCHES MAXIMUM IN; Material: PLASTIC; Shape: IRREGULAR; Overall Thickness: 3.650 INCHES MINIMUM AND 3.790 INCHES MAXIMUM IN. 6 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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