PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42839Holder Assembly,electrical Conta

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 5977-00-023-1936 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-023-1936 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-023-1936. Primary manufacturer part number: 42839.
Features
  • Holder Assembly,electrical Conta — FSC 5977
  • Brush Quantity Accommodated Per Holder: 1
  • Assembly Grouping Position: GROUPED-GANGED-IN LINE
  • Holder Quantity Per Assembly: 4
  • 1 verified cross-reference
  • Primary manufacturer: L3harris Technologies, Inc. Div Space and Airborne Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Holder Assembly,electrical Conta, cataloged under National Stock Number 5977-00-023-1936, 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 L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 3 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-023-1936
Primary Part Number42839
Item NameHolder Assembly,electrical Conta
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Brush Quantity Accommodated Per Holder1
Assembly Grouping PositionGROUPED-GANGED-IN LINE
Holder Quantity Per Assembly4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-674-445642839 INTERCHANGEABLE
Gasket
Mirion Technologies (canberra), Inc.
5950-01-099-1048SM-D-885087 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5998-01-239-9740K49E0002-2 INTERCHANGEABLE
Retainer-Ejector,electrical Card
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
42839 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
5330-00-674-4456INTERCHANGEABLE
GASKET
42839
5950-01-099-1048INTERCHANGEABLE
TRANSFORMER,POWER
SM-D-885087
5998-01-239-9740INTERCHANGEABLE
RETAINER-EJECTOR,ELECTRICAL CARD
K49E0002-2

Frequently Asked Questions

What is NSN 5977-00-023-1936?

NSN 5977-00-023-1936 is a Holder Assembly,electrical Conta, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-023-1936?

NSN 5977-00-023-1936 has 1 cross-referenced part number: 42839 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 5977-00-023-1936?

There are 3 known substitutes for 5977-00-023-1936: 5330-00-674-4456, 5950-01-099-1048, 5998-01-239-9740. Verify interchangeability with system specifications before substitution.

What are the specifications of 42839?

Key specifications for 42839: Brush Quantity Accommodated Per Holder: 1; Assembly Grouping Position: GROUPED-GANGED-IN LINE; Holder Quantity Per Assembly: 4. 3 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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