PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SG45Brush,electrical Contact

Carbone of America Corporation Div Superior Carbon Products Division · NSN 5977-00-284-6722 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-284-6722 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-284-6722. Primary manufacturer part number: SG45.
Features
  • Brush,electrical Contact — FSC 5977
  • Width: 0.154 INCHES NOMINAL IN
  • Brush Shunt Length: 0.500 INCHES NOMINAL SINGLE SHUNT IN
  • Contact Face Style: CONCAVE
  • Style Designator: ONE PIECE
  • Pressure Spring Type and Quantity: 1 CYLINDRICAL
  • Thickness: 0.154 INCHES NOMINAL IN
  • Length: 0.312 INCHES NOMINAL IN
Applications
  • Applications requiring Carbon construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-284-6722, 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 Carbone of America Corporation Div Superior Carbon Products Division. Government technical data includes 15 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-284-6722
Primary Part NumberSG45
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerCarbone of America Corporation Div Superior Carbon Products Division
StatusACTIVE
Width0.154 INCHES NOMINAL IN
Brush Shunt Length0.500 INCHES NOMINAL SINGLE SHUNT IN
Contact Face StyleCONCAVE
Style DesignatorONE PIECE
Pressure Spring Type and Quantity1 CYLINDRICAL
Thickness0.154 INCHES NOMINAL IN
Length0.312 INCHES NOMINAL IN
Radius0.219 INCHES NOMINAL IN
Terminal Type and Quantity1 ROUND CAP W/EARS
Shunt Insulation Provision and Quantity1 UNINSULATED
Body StyleRECTANGULAR COMMUTATOR
Largest Outside Diameter0.156 INCHES MAXIMUM IN
Material Document and ClassificationSUPERIOR CARBON GRADE SG45 MFR REF SINGLE MATERIAL RESPONSE
MaterialCARBON
Shunt Position Designator5
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5920-00-060-11184399 INTERCHANGEABLE
Fuseholder,block
Cooper Bussmann, Llc Dba Cooper Industries
5977-00-178-8765 INTERCHANGEABLE
Brush,electrical Contact
3040-00-404-1791S3200Y-C045 INTERCHANGEABLE
Clamp,hub
Designatronics Incorporated Div Sterling Instruments Div
2920-00-431-0169WKA225T38 INTERCHANGEABLE
Spark Plug
Robert Bosch Gesellschaft Mit Beschrankter Haftung
1680-00-679-20214399 INTERCHANGEABLE
Block,acft Seat
Lockheed Martin Corp
5342-00-944-5964C45 INTERCHANGEABLE
Clamp,spr0cket
Steego Corp
5905-00-982-3337 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5315-01-053-9923 INTERCHANGEABLE
Pin,straight,headed
5855-01-066-4399SM-D-807414 INTERCHANGEABLE
Eyepiece Assembly,optical Instru
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6635-01-127-9831 INTERCHANGEABLE
Test Block
Cross-Reference Index
Part NumberManufacturer
SG45 PRIMARY Carbone of America Corporation Div Superior Carbon Products Division (USA)
56170 General Dynamics Mission Systems, Inc. (USA)
C45 Carbone of America Corporation Div Superior Carbon Products Division (USA)
AJZ National Electrical Carbon Products, Inc. Div Electrical (USA)
4399 Carbon/graphite Group Inc the (USA)
3213E Henrite Products Corp (USA)
Related Parts
5920-00-060-1118INTERCHANGEABLE
FUSEHOLDER,BLOCK
4399
5977-00-178-8765INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
3040-00-404-1791INTERCHANGEABLE
CLAMP,HUB
S3200Y-C045
2920-00-431-0169INTERCHANGEABLE
SPARK PLUG
WKA225T38
1680-00-679-2021INTERCHANGEABLE
BLOCK,ACFT SEAT
4399
5342-00-944-5964INTERCHANGEABLE
CLAMP,SPR0CKET
C45
5905-00-982-3337INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5315-01-053-9923INTERCHANGEABLE
PIN,STRAIGHT,HEADED
5855-01-066-4399INTERCHANGEABLE
EYEPIECE ASSEMBLY,OPTICAL INSTRU
SM-D-807414
6635-01-127-9831INTERCHANGEABLE
TEST BLOCK
7520-01-145-3936INTERCHANGEABLE
HOLDER,DESK MEMORANDUM PAPER
3510-01-147-6562INTERCHANGEABLE
PULLEY AND LEVER ASSEMBLY
511227

Frequently Asked Questions

What is NSN 5977-00-284-6722?

NSN 5977-00-284-6722 is a Brush,electrical Contact, manufactured by Carbone of America Corporation Div Superior Carbon Products Division, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-284-6722?

NSN 5977-00-284-6722 has 6 cross-referenced part numbers: SG45 (Carbone of America Corporation Div Superior Carbon Products Division), 56170 (General Dynamics Mission Systems, Inc.), C45 (Carbone of America Corporation Div Superior Carbon Products Division), AJZ (National Electrical Carbon Products, Inc. Div Electrical), 4399 (Carbon/graphite Group Inc the) and 1 more.

What NSN replaces 5977-00-284-6722?

There are 12 known substitutes for 5977-00-284-6722: 5920-00-060-1118, 5977-00-178-8765, 3040-00-404-1791 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SG45?

Key specifications for SG45: Width: 0.154 INCHES NOMINAL IN; Brush Shunt Length: 0.500 INCHES NOMINAL SINGLE SHUNT IN; Contact Face Style: CONCAVE; Style Designator: ONE PIECE. 15 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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