PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

999Brush,electrical Contact

Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc. · NSN 5977-00-280-6773 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-280-6773 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-280-6773. Primary manufacturer part number: 999.
Features
  • Brush,electrical Contact — FSC 5977
  • Style Designator: ONE PIECE
  • Length: 1.125 INCHES NOMINAL IN
  • Terminal Type and Quantity: 1 STRAIGHT W/SLOT
  • Contact Face Style: FLAT
  • Material: ELECTROGRAPHITIC
  • Shunt Insulation Provision and Quantity: 1 UNINSULATED
  • Brush Shunt Length: 2.750 INCHES NOMINAL SINGLE SHUNT IN
Applications
  • Applications requiring Electrographitic construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-280-6773, 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 Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-280-6773
Primary Part Number999
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerAbb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.
StatusACTIVE
Style DesignatorONE PIECE
Length1.125 INCHES NOMINAL IN
Terminal Type and Quantity1 STRAIGHT W/SLOT
Contact Face StyleFLAT
MaterialELECTROGRAPHITIC
Shunt Insulation Provision and Quantity1 UNINSULATED
Brush Shunt Length2.750 INCHES NOMINAL SINGLE SHUNT IN
Top StyleFLAT
Material Document and ClassificationSPEER CARBON CO,GR E45 MFR REF SINGLE MATERIAL RESPONSE
Shunt Position Designator7
Body StyleRECTANGULAR COMMUTATOR
Thickness0.312 INCHES NOMINAL IN
Width0.605 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-056-39405120-00-056-3940 INTERCHANGEABLE
Blade,nutdriver
General Services Administration Federal Supply Service
3110-00-114-9631 INTERCHANGEABLE
Bearing,ball,annular
5120-00-288-767913D8453 INTERCHANGEABLE
Extractor,lamp
Westinghouse Electric Corp
2805-00-386-338466069A INTERCHANGEABLE
Valve,poppet,engine
Brinkley Technology Group Llc Dba Hercules Manufacturing
5340-00-473-5957 INTERCHANGEABLE
Key Blank
6625-00-504-14868495619 INTERCHANGEABLE
Adapter,test
Us Army Aviation and Missile Command
5340-00-598-7819999.1-2X2-1-2 INTERCHANGEABLE
Brace,corner
Stanley Black & Decker, Inc.
5935-00-621-8601999 INTERCHANGEABLE
Connector,receptacle,electrical
Cooper Wiring Devices Inc.
3655-00-661-228682-159 INTERCHANGEABLE
Valve,oxygen Pressure
Marshall Excelsior Co
5940-00-686-8168 INTERCHANGEABLE
Terminal,lug
Cross-Reference Index
Part NumberManufacturer
DR1858E45SPEER Baldor Electric Co (USA)
ANSI/NEMA PUB NO. CB1 National Electrical Mfrs Assn (USA)
999 PRIMARY Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc. (USA)
DR1858E45SPEER Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc. (USA)
999 Baldor Electric Co (USA)
Related Parts
5120-00-056-3940INTERCHANGEABLE
BLADE,NUTDRIVER
5120-00-056-3940
3110-00-114-9631INTERCHANGEABLE
BEARING,BALL,ANNULAR
5120-00-288-7679INTERCHANGEABLE
EXTRACTOR,LAMP
13D8453
2805-00-386-3384INTERCHANGEABLE
VALVE,POPPET,ENGINE
66069A
5340-00-473-5957INTERCHANGEABLE
KEY BLANK
6625-00-504-1486INTERCHANGEABLE
ADAPTER,TEST
8495619
5340-00-598-7819INTERCHANGEABLE
BRACE,CORNER
999.1-2X2-1-2
5935-00-621-8601INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
999
3655-00-661-2286INTERCHANGEABLE
VALVE,OXYGEN PRESSURE
82-159
5940-00-686-8168INTERCHANGEABLE
TERMINAL,LUG
5330-00-965-6861INTERCHANGEABLE
PACKING,PREFORMED
6625-01-005-7081INTERCHANGEABLE
TESTER,INTEGRATED CIRCUIT
999

Frequently Asked Questions

What is NSN 5977-00-280-6773?

NSN 5977-00-280-6773 is a Brush,electrical Contact, manufactured by Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc., classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-280-6773?

NSN 5977-00-280-6773 has 5 cross-referenced part numbers: DR1858E45SPEER (Baldor Electric Co), ANSI/NEMA PUB NO. CB1 (National Electrical Mfrs Assn), 999 (Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.), DR1858E45SPEER (Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.), 999 (Baldor Electric Co).

What NSN replaces 5977-00-280-6773?

There are 12 known substitutes for 5977-00-280-6773: 5120-00-056-3940, 3110-00-114-9631, 5120-00-288-7679 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 999?

Key specifications for 999: Style Designator: ONE PIECE; Length: 1.125 INCHES NOMINAL IN; Terminal Type and Quantity: 1 STRAIGHT W/SLOT; Contact Face Style: FLAT. 13 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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