PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

IN50Brush,electrical Contact

Morgan Advanced Materials and Technology, Inc. Dba Morgan Advanced Materials and Technology · NSN 5977-00-284-9994 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-284-9994 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-284-9994. Primary manufacturer part number: IN50.
Features
  • Brush,electrical Contact — FSC 5977
  • Contact Face Style: CONCAVE
  • Slot Depth: 0.031 INCHES NOMINAL IN
  • Slot Width: 0.312 INCHES NOMINAL IN
  • Outer Edge to Slot Edge Distance: 0.469 INCHES NOMINAL IN
  • Terminal Hole Diameter: 0.266 INCHES NOMINAL IN
  • Material Document and Classification: PURE CARBON CO INC,GRADE -30A MFR REF SINGLE MATERIAL RESPONSE A
  • Shunt Position Designator: 2
Applications
  • Applications requiring Metal Graphite construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-284-9994, 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 Morgan Advanced Materials and Technology, Inc. Dba Morgan Advanced Materials and Technology. Government technical data includes 18 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5977-00-284-9994
Primary Part NumberIN50
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerMorgan Advanced Materials and Technology, Inc. Dba Morgan Advanced Materials and Technology
StatusCANCELLED
Contact Face StyleCONCAVE
Slot Depth0.031 INCHES NOMINAL IN
Slot Width0.312 INCHES NOMINAL IN
Outer Edge to Slot Edge Distance0.469 INCHES NOMINAL IN
Terminal Hole Diameter0.266 INCHES NOMINAL IN
Material Document and ClassificationPURE CARBON CO INC,GRADE -30A MFR REF SINGLE MATERIAL RESPONSE A
Shunt Position Designator2
Radius2.000 INCHES NOMINAL IN
Thickness0.500 INCHES NOMINAL IN
Shunt Insulation Provision and Quantity1 UNINSULATED
Brush Shunt Length4.250 INCHES NOMINAL SINGLE SHUNT IN
Top StyleFLAT WITH RECTANGULAR SLOT
Style DesignatorONE PIECE
Length1.250 INCHES NOMINAL IN
Body StyleRECTANGULAR COMMUTATOR
Terminal Type and Quantity1 STRAIGHT W/HOLE
Width1.250 INCHES NOMINAL IN
MaterialMETAL GRAPHITE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
2810-00-304-199275357 INTERCHANGEABLE
Elbow
Textron Lycoming Inc Williamsport Plant
6670-00-675-4987IN50 INTERCHANGEABLE
Scale,weighing
Ametek Inc.
3040-01-273-9183214A-16 INTERCHANGEABLE
Shaft,straight
Isometrics Inc
3020-01-342-875175357 INTERCHANGEABLE
Gear,spur
Triumph Engine Control Systems Llc
1560-01-653-536975357 INTERCHANGEABLE
Airframe Top
Aerovironment, Inc.
1550-01-653-893175357 INTERCHANGEABLE
Unmanned Aircraft
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
IN50 PRIMARY Morgan Advanced Materials and Technology, Inc. Dba Morgan Advanced Materials and Technology (USA)
214A16 Cummins Power Generation Inc. (USA)
75357 Cummins Power Generation Inc. (USA)
Related Parts
2810-00-304-1992INTERCHANGEABLE
ELBOW
75357
6670-00-675-4987INTERCHANGEABLE
SCALE,WEIGHING
IN50
3040-01-273-9183INTERCHANGEABLE
SHAFT,STRAIGHT
214A-16
3020-01-342-8751INTERCHANGEABLE
GEAR,SPUR
75357
1560-01-653-5369INTERCHANGEABLE
AIRFRAME TOP
75357
1550-01-653-8931INTERCHANGEABLE
UNMANNED AIRCRAFT
75357

Frequently Asked Questions

What is NSN 5977-00-284-9994?

NSN 5977-00-284-9994 is a Brush,electrical Contact, manufactured by Morgan Advanced Materials and Technology, Inc. Dba Morgan Advanced Materials and Technology, classified under FSC 5977 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5977-00-284-9994?

NSN 5977-00-284-9994 has 3 cross-referenced part numbers: IN50 (Morgan Advanced Materials and Technology, Inc. Dba Morgan Advanced Materials and Technology), 214A16 (Cummins Power Generation Inc.), 75357 (Cummins Power Generation Inc.).

What NSN replaces 5977-00-284-9994?

There are 6 known substitutes for 5977-00-284-9994: 2810-00-304-1992, 6670-00-675-4987, 3040-01-273-9183 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of IN50?

Key specifications for IN50: Contact Face Style: CONCAVE; Slot Depth: 0.031 INCHES NOMINAL IN; Slot Width: 0.312 INCHES NOMINAL IN; Outer Edge to Slot Edge Distance: 0.469 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5977-00-284-9994 still in active supply?

NSN 5977-00-284-9994 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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