PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MGP-1012JSBrush Set,electrical Contact

Prestolite Electric Inc · NSN 5977-01-121-0509 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-01-121-0509 — this item is cataloged by the U.S. Government under National Stock Number 5977-01-121-0509. Primary manufacturer part number: MGP-1012JS.
Features
  • Brush Set,electrical Contact — FSC 5977
  • Component Quantity: 8
  • 4 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 5977-01-121-0509, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, 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
NSN5977-01-121-0509
Primary Part NumberMGP-1012JS
Item NameBrush Set,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusACTIVE
Component Quantity8
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5977-01-102-7940MGP1012JS INTERCHANGEABLE
Brush Set,electrical Contact
Prestolite Electric Inc
Cross-Reference Index
Part NumberManufacturer
MGP-1012JS Prestolite Electric Inc (USA)
4913404 ITEM 2 Kalmar AC Inc (USA)
4913407 Kalmar AC Inc (USA)
4913407-5 Kalmar AC Inc (USA)
Related Parts
5977-01-102-7940INTERCHANGEABLE
BRUSH SET,ELECTRICAL CONTACT
MGP1012JS

Frequently Asked Questions

What is NSN 5977-01-121-0509?

NSN 5977-01-121-0509 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 5977-01-121-0509?

NSN 5977-01-121-0509 has 4 cross-referenced part numbers: MGP-1012JS (Prestolite Electric Inc), 4913404 ITEM 2 (Kalmar AC Inc), 4913407 (Kalmar AC Inc), 4913407-5 (Kalmar AC Inc).

What NSN replaces 5977-01-121-0509?

There is 1 known substitute for 5977-01-121-0509: 5977-01-102-7940. Verify interchangeability with system specifications before substitution.

What are the specifications of MGP-1012JS?

Key specifications for MGP-1012JS: Component Quantity: 8. 1 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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