PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54568Brush,electrical Contact

Stone Safety Corp · NSN 5977-00-280-3283 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-280-3283 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-280-3283. Primary manufacturer part number: 54568.
Features
  • Brush,electrical Contact — FSC 5977
  • Material: METAL GRAPHITE
  • Contact Face Style: BEVELED
  • Style Designator: ONE PIECE
  • Bevel Angle: 22.0 DEGREES NOMINAL
  • Brush Shunt Length: 4.000 INCHES NOMINAL SINGLE SHUNT IN
  • Angle: 33.0 DEGREES NOMINAL
  • Terminal Type and Quantity: 1 STRAIGHT W/SLOT
Applications
  • Applications requiring Metal Graphite construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-280-3283, 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 Stone Safety Corp. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-280-3283
Primary Part Number54568
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerStone Safety Corp
StatusACTIVE
MaterialMETAL GRAPHITE
Contact Face StyleBEVELED
Style DesignatorONE PIECE
Bevel Angle22.0 DEGREES NOMINAL
Brush Shunt Length4.000 INCHES NOMINAL SINGLE SHUNT IN
Angle33.0 DEGREES NOMINAL
Terminal Type and Quantity1 STRAIGHT W/SLOT
Top StyleBEVELED FRONT
Length1.250 INCHES NOMINAL IN
Body StyleRECTANGULAR COMMUTATOR
Shunt Insulation Provision and Quantity1 UNINSULATED
Terminal Slot Width0.281 INCHES NOMINAL IN
Width1.000 INCHES NOMINAL IN
Thickness0.625 INCHES NOMINAL IN
Shunt Position Designator1
Material Document and ClassificationNATIONAL CARBON CO GRADE 256,NAVY GRADE E MFR REF SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5915-00-501-0548SM-B-186916 INTERCHANGEABLE
Filter,radio Frequency Interfere
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
7045-01-114-9440 INTERCHANGEABLE
Disk,flexible
2990-01-631-855454568 INTERCHANGEABLE
Arrester,flame Assy
Westerbeke Corporation
Cross-Reference Index
Part NumberManufacturer
54568 Stone Safety Corp (USA)
NEMAPUBCB1-1961 National Electrical Mfrs Assn (USA)
S100278-68 Stone Safety Corp (USA)
Related Parts
5915-00-501-0548INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
SM-B-186916
7045-01-114-9440INTERCHANGEABLE
DISK,FLEXIBLE
2990-01-631-8554INTERCHANGEABLE
ARRESTER,FLAME ASSY
54568

Frequently Asked Questions

What is NSN 5977-00-280-3283?

NSN 5977-00-280-3283 is a Brush,electrical Contact, manufactured by Stone Safety Corp, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-280-3283?

NSN 5977-00-280-3283 has 3 cross-referenced part numbers: 54568 (Stone Safety Corp), NEMAPUBCB1-1961 (National Electrical Mfrs Assn), S100278-68 (Stone Safety Corp).

What NSN replaces 5977-00-280-3283?

There are 3 known substitutes for 5977-00-280-3283: 5915-00-501-0548, 7045-01-114-9440, 2990-01-631-8554. Verify interchangeability with system specifications before substitution.

What are the specifications of 54568?

Key specifications for 54568: Material: METAL GRAPHITE; Contact Face Style: BEVELED; Style Designator: ONE PIECE; Bevel Angle: 22.0 DEGREES NOMINAL. 16 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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