PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27866Brush,electrical Contact

Hydro-Aire Aerospace Corp · NSN 5977-00-284-9877 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-284-9877 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-284-9877. Primary manufacturer part number: 27866.
Features
  • Brush,electrical Contact — FSC 5977
  • Style Designator: ONE PIECE
  • Terminal Type and Quantity: 1 FLAG W/HOLE
  • Material Document and Classification: STANDARD CARBON CO,GRADE -17 MFR REF SINGLE MATERIAL RESPONSE
  • Brush Shunt Length: 1.250 INCHES NOMINAL ALL SHUNTS IN
  • Outer Edge to Slot Edge Distance: 0.341 INCHES NOMINAL IN
  • Top Style: FLAT WITH RECTANGULAR SLOT
  • Material: CARBON
Applications
  • Applications requiring Carbon construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-284-9877, 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 Hydro-Aire Aerospace Corp. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-284-9877
Primary Part Number27866
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
Style DesignatorONE PIECE
Terminal Type and Quantity1 FLAG W/HOLE
Material Document and ClassificationSTANDARD CARBON CO,GRADE -17 MFR REF SINGLE MATERIAL RESPONSE
Brush Shunt Length1.250 INCHES NOMINAL ALL SHUNTS IN
Outer Edge to Slot Edge Distance0.341 INCHES NOMINAL IN
Top StyleFLAT WITH RECTANGULAR SLOT
MaterialCARBON
Shunt Insulation Provision and Quantity2 INSULATED
Thickness0.309 INCHES NOMINAL IN
Slot Depth0.047 INCHES NOMINAL IN
Shunt Position Designator2 AND 8
Contact Face StyleCONCAVE
Slot Width0.062 INCHES NOMINAL IN
Width0.747 INCHES NOMINAL IN
Length0.750 INCHES NOMINAL IN
Radius0.625 INCHES NOMINAL IN
Body StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3120-00-008-9352 INTERCHANGEABLE
Bearing,sleeve
5950-00-420-3615 INTERCHANGEABLE
Coil,radio Frequency
5331-01-271-829227-866 INTERCHANGEABLE
O-Ring
Clausing Corp
2520-01-358-1942278/66 INTERCHANGEABLE
Axle Assembly,automotive,driving
Dana Off Highway Products, Llc
Cross-Reference Index
Part NumberManufacturer
27866 PRIMARY Hydro-Aire Aerospace Corp (USA)
Related Parts
3120-00-008-9352INTERCHANGEABLE
BEARING,SLEEVE
5950-00-420-3615INTERCHANGEABLE
COIL,RADIO FREQUENCY
5331-01-271-8292INTERCHANGEABLE
O-RING
27-866
2520-01-358-1942INTERCHANGEABLE
AXLE ASSEMBLY,AUTOMOTIVE,DRIVING
278/66

Frequently Asked Questions

What is NSN 5977-00-284-9877?

NSN 5977-00-284-9877 is a Brush,electrical Contact, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-284-9877?

NSN 5977-00-284-9877 has 1 cross-referenced part number: 27866 (Hydro-Aire Aerospace Corp).

What NSN replaces 5977-00-284-9877?

There are 4 known substitutes for 5977-00-284-9877: 3120-00-008-9352, 5950-00-420-3615, 5331-01-271-8292 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27866?

Key specifications for 27866: Style Designator: ONE PIECE; Special Features: LEFT AND RIGHT SHOULDERS ON BRUSH TOP; Terminal Type and Quantity: 1 FLAG W/HOLE; Material Document and Classification: STANDARD CARBON CO,GRADE -17 MFR REF SINGLE MATERIAL RESPONSE. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com