PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A578-3Brush,electrical Contact

Schulze Mfg., Inc. · NSN 5977-00-252-6541 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-252-6541 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-252-6541. Primary manufacturer part number: A578-3.
Features
  • Brush,electrical Contact — FSC 5977
  • Material Document and Classification: SUPERIOR CARBON PRODUCTS INC,GR C45 MFR REF SINGLE MATERIAL RESPONSE
  • Length: 0.562 INCHES NOMINAL IN
  • Material: METAL GRAPHITE
  • Top Style: FLAT
  • Style Designator: ONE PIECE
  • Thickness: 0.188 INCHES NOMINAL IN
  • Contact Face Style: CONCAVE
Applications
  • Applications requiring Metal Graphite construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-252-6541, 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 Schulze Mfg., Inc.. Government technical data includes 9 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-252-6541
Primary Part NumberA578-3
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerSchulze Mfg., Inc.
StatusACTIVE
Material Document and ClassificationSUPERIOR CARBON PRODUCTS INC,GR C45 MFR REF SINGLE MATERIAL RESPONSE
Length0.562 INCHES NOMINAL IN
MaterialMETAL GRAPHITE
Top StyleFLAT
Style DesignatorONE PIECE
Thickness0.188 INCHES NOMINAL IN
Contact Face StyleCONCAVE
Width0.188 INCHES NOMINAL IN
Body StyleRECTANGULAR COMMUTATOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6625-00-063-2774 INTERCHANGEABLE
Meter,special Scale
5315-00-299-6531525386 INTERCHANGEABLE
Pin,straight,headless
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
3040-00-499-3479A5783 INTERCHANGEABLE
Shaft,shouldered
Hatch & Kirk, Inc.
5365-00-628-6867525386 INTERCHANGEABLE
Shim
Hamilton Sundstrand Corporation Dba Collins Aerospace
Cross-Reference Index
Part NumberManufacturer
K9046733 Von Roll Usa, Inc. Dba Von Roll Usa Inc (USA)
A578-3 Electric Indicator Co Inc Elinco Waterbury Div (USA)
578-3C45 Schulze Mfg., Inc. (USA)
525-386 Sentinel Radio Corp (USA)
B679754 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
A578-3 PRIMARY Schulze Mfg., Inc. (USA)
Related Parts
6625-00-063-2774INTERCHANGEABLE
METER,SPECIAL SCALE
5315-00-299-6531INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
525386
3040-00-499-3479INTERCHANGEABLE
SHAFT,SHOULDERED
A5783
5365-00-628-6867INTERCHANGEABLE
SHIM
525386

Frequently Asked Questions

What is NSN 5977-00-252-6541?

NSN 5977-00-252-6541 is a Brush,electrical Contact, manufactured by Schulze Mfg., Inc., classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-252-6541?

NSN 5977-00-252-6541 has 6 cross-referenced part numbers: K9046733 (Von Roll Usa, Inc. Dba Von Roll Usa Inc), A578-3 (Electric Indicator Co Inc Elinco Waterbury Div), 578-3C45 (Schulze Mfg., Inc.), 525-386 (Sentinel Radio Corp), B679754 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 1 more.

What NSN replaces 5977-00-252-6541?

There are 4 known substitutes for 5977-00-252-6541: 6625-00-063-2774, 5315-00-299-6531, 3040-00-499-3479 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A578-3?

Key specifications for A578-3: Material Document and Classification: SUPERIOR CARBON PRODUCTS INC,GR C45 MFR REF SINGLE MATERIAL RESPONSE; Length: 0.562 INCHES NOMINAL IN; Material: METAL GRAPHITE; Top Style: FLAT. 9 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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