PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FHL18G1-05Fuseholder,extractor Post

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5920-00-269-3743 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-269-3743 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-269-3743. Primary manufacturer part number: FHL18G1-05.
Features
  • Fuseholder,extractor Post — FSC 5920
  • Mounting Hole Style: BUSHING MOUNTING
  • Flatted Side Bushing Hole Length: 0.570 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
  • Bushing Thread Length: 0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
  • Accommodated Ferrule Diameter: 0.250 INCHES NOMINAL IN
  • Bushing Hole Diameter: 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
  • Resistor Rating: 1.8 KILOHMS
  • Current Carrying Rating in Amps: 20.0
Applications
  • Applications requiring Copper Alloy Terminal construction
General Description

The Fuseholder,extractor Post, cataloged under National Stock Number 5920-00-269-3743, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-269-3743
Primary Part NumberFHL18G1-05
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
Mounting Hole StyleBUSHING MOUNTING
Flatted Side Bushing Hole Length0.570 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
Bushing Thread Length0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
Accommodated Ferrule Diameter0.250 INCHES NOMINAL IN
Bushing Hole Diameter0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
Resistor Rating1.8 KILOHMS
Current Carrying Rating in Amps20.0
Mounting Hole Quantity1
Overall Diameter0.790 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN
Fuse Accommodation Quantity1
Fuse Terminal Type AccommodatedFERRULE
Bushing Diameter0.625 INCHES NOMINAL IN
Cap Diameter0.510 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN
Environmental ProtectionDRIPPROOF
Interruption Indicator MethodINCANDESCENT LAMP
Length From Front Protrusion to Mounting Surface1.170 INCHES MINIMUM AND 1.210 INCHES MAXIMUM IN
Voltage in Volts250.0
Body StyleBUSHING MOUNTED TYPE
Indicating Lamp Voltage Range in Volts+61.0 TO 80.0
Accommodated Fuse Length1.250 INCHES NOMINAL IN
Surface TreatmentNICKEL CONTACT
Test Data Document81349-MIL-F-19207/9 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.).
MaterialCOPPER ALLOY TERMINAL
Terminal Type and Quantity2 TAB, SOLDER LUG
MaterialCOPPER CONTACT
MaterialPLASTIC POLYHEXAMETHYLENE ADIPAMIDE AND GLASS OR PLASTIC POLYCAPROLACTAM AND GLASS OR PLASTIC POLYHEXAMETHYLENE SEBACAMIDE AND GLASS AND PLASTIC DIALLYL PHTHALATE AND GLASS BODY
Surface TreatmentSOLDER AND TIN TERMINAL
Material Document and ClassificationMIL-M-14, TYPE SDG MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-M-19833, TYPE GDI-30F MIL SPEC SINGLE MATERIAL RESPONSE BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5920-00-627-3717 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-655-1154 INTERCHANGEABLE
Fuseholder,extractor Post
1270-01-223-537834906-1 INTERCHANGEABLE
Bushing,alignment
Rockwell Collins, Inc. Dba Collins Aerospace Military Avionics & Helicopters Div Collins Aerospace - Military Avionics & Helicopters
5342-01-490-6052 INTERCHANGEABLE
Bracket,engine Accessory
5920-01-494-6851 INTERCHANGEABLE
Fuseholder,extractor Post
Cross-Reference Index
Part NumberManufacturer
FHL18G1-05 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FHL18G1-5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
430077-5 Bae Systems Information and Electronic Systems Integration Inc. (USA)
538110-5 Raytheon Company Dba Raytheon (USA)
349061 Littelfuse, Inc. (USA)
CR55A/U-90 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
FHL18G-2 Naval Air Warfare Center Aircraft Div (USA)
FLH18G1-5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4134600-025 Raytheon Company Div Rmd Strategic (USA)
4134600-25 Raytheon Company Div Rmd Strategic (USA)
FHL18G-05 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5920-00-627-3717INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-655-1154INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
1270-01-223-5378INTERCHANGEABLE
BUSHING,ALIGNMENT
34906-1
5342-01-490-6052INTERCHANGEABLE
BRACKET,ENGINE ACCESSORY
5920-01-494-6851INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST

Frequently Asked Questions

What is NSN 5920-00-269-3743?

NSN 5920-00-269-3743 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 5920-00-269-3743?

NSN 5920-00-269-3743 has 12 cross-referenced part numbers: FHL18G1-05 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), FHL18G1-5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 430077-5 (Bae Systems Information and Electronic Systems Integration Inc.), 538110-5 (Raytheon Company Dba Raytheon), 349061 (Littelfuse, Inc.) and 7 more.

What NSN replaces 5920-00-269-3743?

There are 5 known substitutes for 5920-00-269-3743: 5920-00-627-3717, 5920-00-655-1154, 1270-01-223-5378 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FHL18G1-05?

Key specifications for FHL18G1-05: Mounting Hole Style: BUSHING MOUNTING; Flatted Side Bushing Hole Length: 0.570 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN; Bushing Thread Length: 0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN; Overall Length: 3.310 INCHES MAXIMUM IN. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-269-3743 still in active supply?

NSN 5920-00-269-3743 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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