PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MHR-2012ASBrush Set,electrical Contact

Prestolite Electric Inc · NSN 5977-01-173-3049 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-01-173-3049 — this item is cataloged by the U.S. Government under National Stock Number 5977-01-173-3049. Primary manufacturer part number: MHR-2012AS.
Features
  • Brush Set,electrical Contact — FSC 5977
  • Document Type: MFR DRAWING
  • Component Document Origin: INDUSTRIAL
  • Component Quantity: 2
  • Document Identification: MHR-2012AS
  • Document Source: 19728
  • 2 verified cross-references
  • Primary manufacturer: Prestolite Electric Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Brush Set,electrical Contact, cataloged under National Stock Number 5977-01-173-3049, 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 5 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-01-173-3049
Primary Part NumberMHR-2012AS
Item NameBrush Set,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusACTIVE
Document TypeMFR DRAWING
Component Document OriginINDUSTRIAL
Component Quantity2
Document IdentificationMHR-2012AS
Document Source19728
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-432-41720139048 INTERCHANGEABLE
Screw,tapping
Fastenal Company
3020-01-190-0639125592 INTERCHANGEABLE
Guard,mechanical Drive
Dana Off Highway Products, Llc
Cross-Reference Index
Part NumberManufacturer
MHR-2012AS Prestolite Electric Inc (USA)
125592 Schaeff Namco Inc (USA)
Related Parts
5305-00-432-4172INTERCHANGEABLE
SCREW,TAPPING
0139048
3020-01-190-0639INTERCHANGEABLE
GUARD,MECHANICAL DRIVE
125592

Frequently Asked Questions

What is NSN 5977-01-173-3049?

NSN 5977-01-173-3049 is a Brush Set,electrical Contact, manufactured by Prestolite Electric Inc, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-01-173-3049?

NSN 5977-01-173-3049 has 2 cross-referenced part numbers: MHR-2012AS (Prestolite Electric Inc), 125592 (Schaeff Namco Inc).

What NSN replaces 5977-01-173-3049?

There are 2 known substitutes for 5977-01-173-3049: 5305-00-432-4172, 3020-01-190-0639. Verify interchangeability with system specifications before substitution.

What are the specifications of MHR-2012AS?

Key specifications for MHR-2012AS: Document Type: MFR DRAWING; Component Document Origin: INDUSTRIAL; Component Quantity: 2; Document Identification: MHR-2012AS. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com