PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FHL18G1-9Fuseholder,extractor Post

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5920-00-043-1425 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-043-1425 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-043-1425. Primary manufacturer part number: FHL18G1-9.
Features
  • Fuseholder,extractor Post — FSC 5920
  • Material: COPPER CONTACT
  • Voltage in Volts: 12.0
  • Fuse Terminal Type Accommodated: FERRULE
  • Body Style: BUSHING MOUNTED TYPE
  • Bushing Diameter: 0.625 INCHES NOMINAL IN
  • Mounting Hole Quantity: 1
  • Overall Diameter: 0.790 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN
Applications
  • Applications requiring Copper Contact construction
General Description

The Fuseholder,extractor Post, cataloged under National Stock Number 5920-00-043-1425, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-043-1425
Primary Part NumberFHL18G1-9
Item NameFuseholder,extractor Post
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
MaterialCOPPER CONTACT
Voltage in Volts12.0
Fuse Terminal Type AccommodatedFERRULE
Body StyleBUSHING MOUNTED TYPE
Bushing Diameter0.625 INCHES NOMINAL IN
Mounting Hole Quantity1
Overall Diameter0.790 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN
MaterialPLASTIC DIALLYL PHTHALATE AND GLASS BODY
Interruption Indicator MethodINCANDESCENT LAMP
Cap Diameter0.510 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN
Test Data Document81349-MIL-F-19207 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Bushing Thread Length0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
Indicating Lamp Voltage Range in Volts+8.0 TO 12.0
Lens ColorAMBER
Bushing Hole Diameter0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
Accommodated Ferrule Diameter0.250 INCHES NOMINAL IN
Resistor Rating39.0 OHMS
Fuse Accommodation Quantity1
Material Document and ClassificationMIL-M-19833, TYPE GDI-30F MIL SPEC SINGLE MATERIAL RESPONSE BODY
Mounting Hole StyleBUSHING MOUNTING
Surface TreatmentSOLDER AND TIN TERMINAL
Terminal Type and Quantity2 TAB, SOLDER LUG
Specification/standard Data81349-MIL-F-19207/9 GOVERNMENT SPECIFICATION
Length From Front Protrusion to Mounting Surface1.170 INCHES MINIMUM AND 1.210 INCHES MAXIMUM IN
Current Carrying Rating in Amps20.0
Accommodated Fuse Length1.250 INCHES NOMINAL IN
Flatted Side Bushing Hole Length0.570 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5920-00-013-9863 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-198-4303 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-422-0549 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-458-961203440006X INTERCHANGEABLE
Fuseholder,extractor Post
Littelfuse, Inc.
5920-00-491-6687 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-493-8307 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-655-1154 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-734-5027 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-798-8861 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-843-3848344006PA INTERCHANGEABLE
Fuseholder,extractor Post
Littelfuse, Inc.
Cross-Reference Index
Part NumberManufacturer
FHL18G1-9 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19207/9 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1951012-1 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
55F103-2 NO 28 American Shizuki Corp (USA)
1080H31H40 Northrop Grumman Systems Corporation Div Marine Systems (USA)
HKB Cooper Bussmann, Llc Dba Cooper Industries (USA)
1080H37H64 Northrop Grumman Systems Corporation Div Marine Systems (USA)
FHL18G1-09 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1080H30H72 Northrop Grumman Systems Corporation Div Marine Systems (USA)
FHL15G1-9 Cooper Bussmann, Llc Dba Cooper Industries (USA)
MIL-F-19207/9 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1080H39H06 Northrop Grumman Systems Corporation Div Marine Systems (USA)
G300028S4 L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
5920-00-013-9863INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-198-4303INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-422-0549INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-458-9612INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
03440006X
5920-00-491-6687INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-493-8307INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-655-1154INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-734-5027INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-798-8861INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-843-3848INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
344006PA
5920-00-926-7517INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-926-7560INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST

Frequently Asked Questions

What is NSN 5920-00-043-1425?

NSN 5920-00-043-1425 is a Fuseholder,extractor Post, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-043-1425?

NSN 5920-00-043-1425 has 13 cross-referenced part numbers: FHL18G1-9 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-19207/9 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1951012-1 (Lockheed Martin Corporation Div Rms - Mitchel Field), 55F103-2 NO 28 (American Shizuki Corp), 1080H31H40 (Northrop Grumman Systems Corporation Div Marine Systems) and 8 more.

What NSN replaces 5920-00-043-1425?

There are 12 known substitutes for 5920-00-043-1425: 5920-00-013-9863, 5920-00-198-4303, 5920-00-422-0549 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FHL18G1-9?

Key specifications for FHL18G1-9: Material: COPPER CONTACT; Voltage in Volts: 12.0; Fuse Terminal Type Accommodated: FERRULE; Overall Length: 3.290 INCHES MINIMUM AND 3.330 INCHES MAXIMUM IN. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-043-1425 still in active supply?

NSN 5920-00-043-1425 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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