PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26309Brush,electrical Contact

Honeywell International Inc. Div Aerospace - Torrance · NSN 5977-00-178-8176 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-178-8176 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-178-8176. Primary manufacturer part number: 26309.
Features
  • Brush,electrical Contact — FSC 5977
  • Body Style: RECTANGULAR COMMUTATOR
  • Material Document and Classification: PURE CARBON CO. INC,GR L56-0 MFR REF SINGLE MATERIAL RESPONSE
  • Top Style: FLAT
  • Length: 0.260 INCHES NOMINAL IN
  • Terminal Type and Quantity: 1 ROUND CAP
  • Spring Free Length: 0.500 INCHES NOMINAL IN
  • Pressure Spring Type and Quantity: 1 CYLINDRICAL
Applications
  • Applications requiring Carbon construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-178-8176, 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 Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-178-8176
Primary Part Number26309
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusACTIVE
Body StyleRECTANGULAR COMMUTATOR
Material Document and ClassificationPURE CARBON CO. INC,GR L56-0 MFR REF SINGLE MATERIAL RESPONSE
Top StyleFLAT
Length0.260 INCHES NOMINAL IN
Terminal Type and Quantity1 ROUND CAP
Spring Free Length0.500 INCHES NOMINAL IN
Pressure Spring Type and Quantity1 CYLINDRICAL
MaterialCARBON
Pressure Spring Type and Quantity1 CYLINDRICAL
Brush Shunt Length0.452 INCHES NOMINAL SINGLE SHUNT IN
Shunt Insulation Provision and Quantity1 UNINSULATED
Contact Face StyleCONCAVE
Style DesignatorONE PIECE
Terminal Diameter0.500 INCHES NOMINAL IN
MaterialCARBON
Terminal Type and Quantity1 ROUND CAP
Radius0.345 INCHES NOMINAL IN
Thickness0.187 INCHES NOMINAL IN
Largest Outside Diameter0.182 INCHES NOMINAL IN
Width0.312 INCHES NOMINAL IN
Style DesignatorONE PIECE
Material Document and ClassificationPURE CARBON CO. INC,GR L56-0 MFR REF SINGLE MATERIAL RESPONSE
Peripheral Speed6000 FEET PER MINUTE FT
Shunt Position Designator5
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5120-00-203-5107 INTERCHANGEABLE
Key,socket Head Screw
3020-00-448-347326-309 INTERCHANGEABLE
Gear,helical
Dresser Industries Inc Leroi Div
2520-00-735-017258662H INTERCHANGEABLE
Shaft,axle,automotive
Navistar Intl Corp Truck Br Ohio Plant
9540-01-071-3495 INTERCHANGEABLE
Angle,structural
5905-01-099-44912630 INTERCHANGEABLE
Resistor,fixed,wire Wound
Crown Audio, Inc. Dba Crown International
5985-01-236-86630955-0148 INTERCHANGEABLE
Coupler,directional
Keysight Technologies Inc
4710-01-701-189926309 INTERCHANGEABLE
Pipe,plastic
United States Plastic Corp
Cross-Reference Index
Part NumberManufacturer
26309 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
26309 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
Related Parts
5120-00-203-5107INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
3020-00-448-3473INTERCHANGEABLE
GEAR,HELICAL
26-309
2520-00-735-0172INTERCHANGEABLE
SHAFT,AXLE,AUTOMOTIVE
58662H
9540-01-071-3495INTERCHANGEABLE
ANGLE,STRUCTURAL
5905-01-099-4491INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2630
5985-01-236-8663INTERCHANGEABLE
COUPLER,DIRECTIONAL
0955-0148
4710-01-701-1899INTERCHANGEABLE
PIPE,PLASTIC
26309

Frequently Asked Questions

What is NSN 5977-00-178-8176?

NSN 5977-00-178-8176 is a Brush,electrical Contact, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-178-8176?

NSN 5977-00-178-8176 has 2 cross-referenced part numbers: 26309 (Honeywell International Inc. Div Aerospace - Torrance), 26309 (Alliedsignal Inc Dba Allied-Signal Aerospace Co).

What NSN replaces 5977-00-178-8176?

There are 7 known substitutes for 5977-00-178-8176: 5120-00-203-5107, 3020-00-448-3473, 2520-00-735-0172 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26309?

Key specifications for 26309: Body Style: RECTANGULAR COMMUTATOR; Material Document and Classification: PURE CARBON CO. INC,GR L56-0 MFR REF SINGLE MATERIAL RESPONSE; Top Style: FLAT; Length: 0.260 INCHES NOMINAL IN. 24 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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