PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8243Brush,electrical Contact

Hornet Acquisitionco, Llc Dba Onboard Systems · NSN 5977-00-476-1510 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-476-1510 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-476-1510. Primary manufacturer part number: 8243.
Features
  • Brush,electrical Contact — FSC 5977
  • Material Document and Classification: SPEER CARBON CO,GR 4430 MFR REF SINGLE MATERIAL RESPONSESPEER CARBON CO,GR 4430 MFR REF SINGLE MATERIAL RESPONSE
  • Outer Edge to Slot Edge Distance: 0.312 INCHES NOMINAL IN
  • Terminal Type and Quantity: 2 FLAG W/HOLE2 FLAG W/HOLE
  • Contact Face Style: CONCAVE
  • Material: CARBON
  • Style Designator: ONE PIECE
  • Brush Shunt Length: 1.500 INCHES NOMINAL ALL SHUNTS IN
Applications
  • Applications requiring Carbon construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-476-1510, 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 Hornet Acquisitionco, Llc Dba Onboard Systems. Government technical data includes 17 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-476-1510
Primary Part Number8243
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerHornet Acquisitionco, Llc Dba Onboard Systems
StatusACTIVE
Material Document and ClassificationSPEER CARBON CO,GR 4430 MFR REF SINGLE MATERIAL RESPONSESPEER CARBON CO,GR 4430 MFR REF SINGLE MATERIAL RESPONSE
Outer Edge to Slot Edge Distance0.312 INCHES NOMINAL IN
Terminal Type and Quantity2 FLAG W/HOLE2 FLAG W/HOLE
Contact Face StyleCONCAVE
MaterialCARBON
Style DesignatorONE PIECE
Brush Shunt Length1.500 INCHES NOMINAL ALL SHUNTS IN
Top StyleFLAT WITH RECTANGULAR SLOT
Length0.998 INCHES NOMINAL IN
Slot Depth0.050 INCHES NOMINAL0.050 INCHES NOMINAL IN
Body StyleRECTANGULAR COMMUTATOR
Shunt Insulation Provision and Quantity2 UNINSULATED2 UNINSULATED
Slot Width0.375 INCHES NOMINAL IN
Thickness0.310 INCHES NOMINAL IN
Shunt Position Designator2 AND 8
Radius0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
Width0.687 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5305-00-095-37868243 INTERCHANGEABLE
Screw,machine
Triumph Engine Control Systems Llc
5962-01-119-7548 INTERCHANGEABLE
Microcircuit,digital
4820-01-143-808608243 INTERCHANGEABLE
Diaphragm,valve,flat
Emerson Automation Solutions Final Control Us Lp
5330-01-224-4775 INTERCHANGEABLE
Stop,gasket
6660-01-498-3855KCI1000 INTERCHANGEABLE
Balloon,meteorological
Kaymont Consolidated Industries, Inc.
4720-01-545-96678243 INTERCHANGEABLE
Hose,preformed
National Automotive Parts Assn/napa/
6515-01-564-2497G10411 INTERCHANGEABLE
Coil,embolization
Cook Medical Llc
5985-01-579-17528243 INTERCHANGEABLE
Accessory Kit,antenna
Teledyne Flir Unmanned Ground Systems, Inc
6625-01-692-40948243 INTERCHANGEABLE
Calibrator,audio Level
Monoprice Inc.
Cross-Reference Index
Part NumberManufacturer
8243 PRIMARY Hornet Acquisitionco, Llc Dba Onboard Systems (USA)
8243 Goodrich Corporation Dba Trw Lucas Aerospace (USA)
Related Parts
5305-00-095-3786INTERCHANGEABLE
SCREW,MACHINE
8243
5962-01-119-7548INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4820-01-143-8086INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
08243
5330-01-224-4775INTERCHANGEABLE
STOP,GASKET
6660-01-498-3855INTERCHANGEABLE
BALLOON,METEOROLOGICAL
KCI1000
4720-01-545-9667INTERCHANGEABLE
HOSE,PREFORMED
8243
6515-01-564-2497INTERCHANGEABLE
COIL,EMBOLIZATION
G10411
5985-01-579-1752INTERCHANGEABLE
ACCESSORY KIT,ANTENNA
8243
6625-01-692-4094INTERCHANGEABLE
CALIBRATOR,AUDIO LEVEL
8243

Frequently Asked Questions

What is NSN 5977-00-476-1510?

NSN 5977-00-476-1510 is a Brush,electrical Contact, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-476-1510?

NSN 5977-00-476-1510 has 2 cross-referenced part numbers: 8243 (Hornet Acquisitionco, Llc Dba Onboard Systems), 8243 (Goodrich Corporation Dba Trw Lucas Aerospace).

What NSN replaces 5977-00-476-1510?

There are 9 known substitutes for 5977-00-476-1510: 5305-00-095-3786, 5962-01-119-7548, 4820-01-143-8086 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8243?

Key specifications for 8243: Material Document and Classification: SPEER CARBON CO,GR 4430 MFR REF SINGLE MATERIAL RESPONSESPEER CARBON CO,GR 4430 MFR REF SINGLE MATERIAL RESPONSE; Outer Edge to Slot Edge Distance: 0.312 INCHES NOMINAL IN; Terminal Type and Quantity: 2 FLAG W/HOLE2 FLAG W/HOLE; Contact Face Style: CONCAVE. 17 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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