PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R70Brush,electrical Contact

St Marys Carbon Co., Inc. · NSN 5977-00-976-4693 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-976-4693 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-976-4693. Primary manufacturer part number: R70.
Features
  • Brush,electrical Contact — FSC 5977
  • Contact Face Style: FLAT
  • Material: METAL GRAPHITE
  • Style Designator: ONE PIECE
  • Terminal Type and Quantity: 1 YOKE W/HOLE
  • Material Document and Classification: DELCO-REMY SPEC M-1504 MFR REF SINGLE MATERIAL RESPONSE
  • Top Style: FLAT
  • Shunt Insulation Provision and Quantity: 2 UNINSULATED
Applications
  • Applications requiring Metal Graphite construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-976-4693, 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 St Marys Carbon Co., Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5977-00-976-4693
Primary Part NumberR70
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerSt Marys Carbon Co., Inc.
StatusCANCELLED
Contact Face StyleFLAT
MaterialMETAL GRAPHITE
Style DesignatorONE PIECE
Terminal Type and Quantity1 YOKE W/HOLE
Material Document and ClassificationDELCO-REMY SPEC M-1504 MFR REF SINGLE MATERIAL RESPONSE
Top StyleFLAT
Shunt Insulation Provision and Quantity2 UNINSULATED
Brush Shunt Length1.350 INCHES NOMINAL ALL SHUNTS IN
Thickness0.370 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
Length0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
Body StyleRECTANGULAR COMMUTATOR
Width0.748 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
Shunt Position Designator2 AND 8
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3810-00-162-9443 INTERCHANGEABLE
Cable Assy
5935-00-201-4783SM-B-425569 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4320-00-573-8499R84PC10T39 INTERCHANGEABLE
Rotor,pump
Circor Naval Solutions Llc Dba Warren Pumps
5977-00-754-81531906986 INTERCHANGEABLE
Brush,electrical Contact
Borgwarner Pds (anderson), L.l.c.
6675-00-982-196657 0700-85 INTERCHANGEABLE
Template,drafting
Keuffel and Esser Co
4940-01-006-5241 INTERCHANGEABLE
Servicing Platform,self-Propelle
4310-01-008-4233 INTERCHANGEABLE
Compressor,reciprocating
5975-01-017-5676R-85 INTERCHANGEABLE
Adapter,electrical Conduit
Killark Electric Mfg Co
5905-01-113-04763028828-8 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3010-01-161-6931R70 INTERCHANGEABLE
Gear Assembly,speed Decreaser
Sew-Eurodrive, Inc.
Cross-Reference Index
Part NumberManufacturer
73116855 New Holland Construction (USA)
1906986 General Motors Corp (USA)
1906986 General Motors Corp Delco Remy Div (USA)
R70 PRIMARY St Marys Carbon Co., Inc. (USA)
125-3629 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
A41556 Cnh Industrial America Llc Dba Cnh America (USA)
7B-1-8 Motor Coach Industries Inc (USA)
R85 Echlin Inc (USA)
AR11076 Deere & Co (USA)
Related Parts
3810-00-162-9443INTERCHANGEABLE
CABLE ASSY
5935-00-201-4783INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
SM-B-425569
4320-00-573-8499INTERCHANGEABLE
ROTOR,PUMP
R84PC10T39
5977-00-754-8153INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
1906986
6675-00-982-1966INTERCHANGEABLE
TEMPLATE,DRAFTING
57 0700-85
4940-01-006-5241INTERCHANGEABLE
SERVICING PLATFORM,SELF-PROPELLE
4310-01-008-4233INTERCHANGEABLE
COMPRESSOR,RECIPROCATING
5975-01-017-5676INTERCHANGEABLE
ADAPTER,ELECTRICAL CONDUIT
R-85
5905-01-113-0476INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
3028828-8
3010-01-161-6931INTERCHANGEABLE
GEAR ASSEMBLY,SPEED DECREASER
R70
4940-01-199-0568INTERCHANGEABLE
STILL,RECOVERY
RX-35
5975-01-589-2440INTERCHANGEABLE
STUFFING TUBE
R70

Frequently Asked Questions

What is NSN 5977-00-976-4693?

NSN 5977-00-976-4693 is a Brush,electrical Contact, manufactured by St Marys Carbon Co., Inc., classified under FSC 5977 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5977-00-976-4693?

NSN 5977-00-976-4693 has 9 cross-referenced part numbers: 73116855 (New Holland Construction), 1906986 (General Motors Corp), 1906986 (General Motors Corp Delco Remy Div), R70 (St Marys Carbon Co., Inc.), 125-3629 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc) and 4 more.

What NSN replaces 5977-00-976-4693?

There are 12 known substitutes for 5977-00-976-4693: 3810-00-162-9443, 5935-00-201-4783, 4320-00-573-8499 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R70?

Key specifications for R70: Contact Face Style: FLAT; Material: METAL GRAPHITE; Style Designator: ONE PIECE; Special Features: TERMINAL QUANTITY-1. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5977-00-976-4693 still in active supply?

NSN 5977-00-976-4693 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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