PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3309-4Brush,electrical Contact

Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc · NSN 5977-00-519-8266 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-519-8266 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-519-8266. Primary manufacturer part number: 3309-4.
Features
  • Brush,electrical Contact — FSC 5977
  • Length: 0.228 INCHES NOMINAL IN
  • Terminal Type and Quantity: 1 ROUND CAP
  • Thickness: 0.155 INCHES NOMINAL IN
  • Style Designator: ONE PIECE
  • Material: CARBON
  • Body Style: RECTANGULAR COMMUTATOR
  • Width: 0.155 INCHES NOMINAL IN
Applications
  • Applications requiring Carbon construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-519-8266, 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 Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc. Government technical data includes 8 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-519-8266
Primary Part Number3309-4
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerDucommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
StatusACTIVE
Length0.228 INCHES NOMINAL IN
Terminal Type and Quantity1 ROUND CAP
Thickness0.155 INCHES NOMINAL IN
Style DesignatorONE PIECE
MaterialCARBON
Body StyleRECTANGULAR COMMUTATOR
Width0.155 INCHES NOMINAL IN
Contact Face StyleCONCAVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2920-00-142-0888A2437A INTERCHANGEABLE
Contact Set,distributor
Borgwarner Pds (anderson), L.l.c.
4730-00-187-7610 INTERCHANGEABLE
Coupling,pipe
5331-01-177-8149F37030-260 INTERCHANGEABLE
O-Ring
Funk Mfg Co Sub of Deere and Co
3120-01-553-854333094 INTERCHANGEABLE
Bushing Half,sleeve
Powerbrace Corporation Dba Powerbrace America
1005-01-643-634733094 INTERCHANGEABLE
Parts Kit,gun
U.s. Ordnance
Cross-Reference Index
Part NumberManufacturer
3309-4 PRIMARY Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc (USA)
Related Parts
2920-00-142-0888INTERCHANGEABLE
CONTACT SET,DISTRIBUTOR
A2437A
4730-00-187-7610INTERCHANGEABLE
COUPLING,PIPE
5331-01-177-8149INTERCHANGEABLE
O-RING
F37030-260
3120-01-553-8543INTERCHANGEABLE
BUSHING HALF,SLEEVE
33094
1005-01-643-6347INTERCHANGEABLE
PARTS KIT,GUN
33094

Frequently Asked Questions

What is NSN 5977-00-519-8266?

NSN 5977-00-519-8266 is a Brush,electrical Contact, manufactured by Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-519-8266?

NSN 5977-00-519-8266 has 1 cross-referenced part number: 3309-4 (Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc).

What NSN replaces 5977-00-519-8266?

There are 5 known substitutes for 5977-00-519-8266: 2920-00-142-0888, 4730-00-187-7610, 5331-01-177-8149 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3309-4?

Key specifications for 3309-4: Length: 0.228 INCHES NOMINAL IN; Terminal Type and Quantity: 1 ROUND CAP; Thickness: 0.155 INCHES NOMINAL IN; Style Designator: ONE PIECE. 8 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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