PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1852890Brush,electrical Contact

General Motors Llc Dba General Motors Llc · NSN 5977-01-163-2900 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-01-163-2900 — this item is cataloged by the U.S. Government under National Stock Number 5977-01-163-2900. Primary manufacturer part number: 1852890.
Features
  • Brush,electrical Contact — FSC 5977
  • Style Designator: ONE PIECE
  • Material: METAL GRAPHITE
  • Top Style: FLAT WITH LEFT AND RIGHT EDGE BEVELED
  • Bevel Length: 4.5 MILLIMETERS NOMINAL MM
  • Contact Face Style: FLAT
  • Width: 19.0 MILLIMETERS NOMINAL MM
  • Thickness: 8.0 MILLIMETERS NOMINAL MM
Applications
  • Applications requiring Metal Graphite construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-01-163-2900, 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 General Motors Llc Dba General Motors Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5977-01-163-2900
Primary Part Number1852890
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusACTIVE
Style DesignatorONE PIECE
MaterialMETAL GRAPHITE
Top StyleFLAT WITH LEFT AND RIGHT EDGE BEVELED
Bevel Length4.5 MILLIMETERS NOMINAL MM
Contact Face StyleFLAT
Width19.0 MILLIMETERS NOMINAL MM
Thickness8.0 MILLIMETERS NOMINAL MM
Distance From Brush Top to Hole Centerline4.0 MILLIMETERS NOMINAL MM
Material Document and ClassificationDELCO REMY DIV GENERAL MOTORS CORP GRADE +13B04 MFR REF SINGLE MATERIAL RESPONSE
Distance From Center of Hole to Outside Edge9.5 MILLIMETERS NOMINAL MM
Length19.0 MILLIMETERS NOMINAL MM
Body StyleRECTANGULAR COMMUTATOR
Basic Shape StyleUNTHREADED SINGLE THROUGH HOLE
Bevel Depth7.0 MILLIMETERS NOMINAL MM
Hole Diameter5.0 MILLIMETERS MINIMUM AND 5.2 MILLIMETERS MAXIMUM MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1680-00-111-93546812 INTERCHANGEABLE
Extension Bracket
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
6150-00-113-64826812 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Thomas and Betts Corp Electronics Group
5306-00-141-4712 INTERCHANGEABLE
Bolt,machine
5310-00-143-57166812 INTERCHANGEABLE
Washer,key
Prestolite Electric Inc
3110-00-151-85193241143 INTERCHANGEABLE
Retainer and Balls,bearing
Hatch & Kirk, Inc.
6240-00-155-8663 INTERCHANGEABLE
Lamp,incandescent
1660-00-338-64666812 INTERCHANGEABLE
Screen,regulator in
Avox Systems Inc Dba Avox Systems Inc
2815-00-389-9724 INTERCHANGEABLE
Screen,gear Cover
4820-00-603-6474604800 INTERCHANGEABLE
Valve,angle
Transdigm Inc Div Aero Fluid Products
2510-00-894-66016812 INTERCHANGEABLE
Shock Absorber,direct Action
Tenneco Inc
Cross-Reference Index
Part NumberManufacturer
1852890 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
1852890 PRIMARY General Motors Llc Dba General Motors Llc (USA)
6812 Ohio Generator Remanufacturing (USA)
5977011632900 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
Related Parts
1680-00-111-9354INTERCHANGEABLE
EXTENSION BRACKET
6812
6150-00-113-6482INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
6812
5306-00-141-4712INTERCHANGEABLE
BOLT,MACHINE
5310-00-143-5716INTERCHANGEABLE
WASHER,KEY
6812
3110-00-151-8519INTERCHANGEABLE
RETAINER AND BALLS,BEARING
3241143
6240-00-155-8663INTERCHANGEABLE
LAMP,INCANDESCENT
1660-00-338-6466INTERCHANGEABLE
SCREEN,REGULATOR IN
6812
2815-00-389-9724INTERCHANGEABLE
SCREEN,GEAR COVER
4820-00-603-6474INTERCHANGEABLE
VALVE,ANGLE
604800
2510-00-894-6601INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
6812
4730-00-908-3194INTERCHANGEABLE
CLAMP,HOSE
4730-01-094-8955INTERCHANGEABLE
CLAMP,HOSE
6610

Frequently Asked Questions

What is NSN 5977-01-163-2900?

NSN 5977-01-163-2900 is a Brush,electrical Contact, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-01-163-2900?

NSN 5977-01-163-2900 has 4 cross-referenced part numbers: 1852890 (General Motors Corp Chevrolet Motor Div Special Products Dept), 1852890 (General Motors Llc Dba General Motors Llc), 6812 (Ohio Generator Remanufacturing), 5977011632900 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales).

What NSN replaces 5977-01-163-2900?

There are 12 known substitutes for 5977-01-163-2900: 1680-00-111-9354, 6150-00-113-6482, 5306-00-141-4712 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1852890?

Key specifications for 1852890: Style Designator: ONE PIECE; Material: METAL GRAPHITE; Top Style: FLAT WITH LEFT AND RIGHT EDGE BEVELED; Bevel Length: 4.5 MILLIMETERS NOMINAL MM. 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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