PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L00578Fuseholder,extractor Post

Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · NSN 5920-00-172-1431 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-172-1431 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-172-1431. Primary manufacturer part number: L00578.
Features
  • Fuseholder,extractor Post — FSC 5920
  • Mounting Hole Style: 2 BUSHING MOUNTING W/2 HOLES
  • Length From Front Protrusion to Mounting Surface: 0.813 INCHES NOMINAL IN
  • Interruption Indicator Method: INCANDESCENT LAMP
  • Fuse Terminal Type Accommodated: FERRULE
  • Fuse Accommodation Quantity: 2
  • Criticality Code Justification: FEAT
  • Accommodated Fuse Length: 1.250 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Contact construction
General Description

The Fuseholder,extractor Post, cataloged under National Stock Number 5920-00-172-1431, is classified within Federal Supply Class 5920 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN5920-00-172-1431
Primary Part NumberL00578
Item NameFuseholder,extractor Post
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
StatusACTIVE
Mounting Hole Style2 BUSHING MOUNTING W/2 HOLES
Length From Front Protrusion to Mounting Surface0.813 INCHES NOMINAL IN
Interruption Indicator MethodINCANDESCENT LAMP
Fuse Terminal Type AccommodatedFERRULE
Fuse Accommodation Quantity2
Criticality Code JustificationFEAT
Accommodated Fuse Length1.250 INCHES NOMINAL IN
Accommodated Ferrule Diameter0.250 INCHES NOMINAL IN
Resistor Rating330.0 OHMS
Bushing Hole Diameter0.874 INCHES NOMINAL IN
Screw Thread Quantity Per Inch32.0
Center to Center Distance Between Outside Mounting Holes Along Width0.938 INCHES NOMINAL IN
Fuse Accommodation Quantity2
Center to Center Distance Between Outside Mounting Holes Along Width0.938 INCHES NOMINAL IN
Interruption Indicator MethodINCANDESCENT LAMP
Fuse Terminal Type AccommodatedFERRULE
Center to Center Distance Between Bushing Holes0.800 INCHES NOMINAL IN
Voltage in Volts33.0
Current Carrying Rating in Amps30.0
Screw Thread Diameter0.164 INCHES NOMINAL IN
Length From Front Protrusion to Mounting Surface0.813 INCHES NOMINAL IN
Center to Center Distance Between Keyway and Bushing Hole0.469 INCHES NOMINAL IN
Terminal Type and Quantity4 THREADED STUD
MaterialCOPPER CONTACT
Mounting Hole Diameter0.156 INCHES NOMINAL IN
Screw Thread Quantity Per Inch32.0
Mounting Hole Quantity2
Terminal Type and Quantity4 THREADED STUD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5920-00-053-8958 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-296-1517 INTERCHANGEABLE
Fuse,cartridge
5950-01-068-2564401063-T3 INTERCHANGEABLE
Transformer,power
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
FHL29G2 Cooper Bussmann, Llc Dba Cooper Industries (USA)
5920PL0994781 Jednolity Indeks Materialowy - Uniform Material Index (POL)
L00578 PRIMARY Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
Related Parts
5920-00-053-8958INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-296-1517INTERCHANGEABLE
FUSE,CARTRIDGE
5950-01-068-2564INTERCHANGEABLE
TRANSFORMER,POWER
401063-T3

Frequently Asked Questions

What is NSN 5920-00-172-1431?

NSN 5920-00-172-1431 is a Fuseholder,extractor Post, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-00-172-1431?

NSN 5920-00-172-1431 has 3 cross-referenced part numbers: FHL29G2 (Cooper Bussmann, Llc Dba Cooper Industries), 5920PL0994781 (Jednolity Indeks Materialowy - Uniform Material Index), L00578 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).

What NSN replaces 5920-00-172-1431?

There are 3 known substitutes for 5920-00-172-1431: 5920-00-053-8958, 5920-00-296-1517, 5950-01-068-2564. Verify interchangeability with system specifications before substitution.

What are the specifications of L00578?

Key specifications for L00578: Mounting Hole Style: 2 BUSHING MOUNTING W/2 HOLES; Length From Front Protrusion to Mounting Surface: 0.813 INCHES NOMINAL IN; Interruption Indicator Method: INCANDESCENT LAMP; Overall Width: 1.180 INCHES MINIMUM AND 1.185 INCHES MAXIMUM IN. 30 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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