PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FHL12GFuseholder,extractor Post

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5920-01-220-1911 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-220-1911 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-220-1911. Primary manufacturer part number: FHL12G.
Features
  • Fuseholder,extractor Post — FSC 5920
  • Length From Front Protrusion to Mounting Surface: 0.798 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
  • Screw Thread Quantity Per Inch: 32.0
  • Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Terminal Type and Quantity: 2 THREADED STUD
  • Center to Center Distance Between Outside Mounting Holes Along Length: 1.062 INCHES NOMINAL IN
  • Mounting Hole Style: BUSHING MOUNTING W/2 HOLES AND KEYWAY
  • Criticality Code Justification: ZZZW
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuseholder,extractor Post, cataloged under National Stock Number 5920-01-220-1911, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN5920-01-220-1911
Primary Part NumberFHL12G
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
StatusACTIVE
Length From Front Protrusion to Mounting Surface0.798 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
Screw Thread Quantity Per Inch32.0
Departure From Cited DocumentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Terminal Type and Quantity2 THREADED STUD
Center to Center Distance Between Outside Mounting Holes Along Length1.062 INCHES NOMINAL IN
Mounting Hole StyleBUSHING MOUNTING W/2 HOLES AND KEYWAY
Criticality Code JustificationZZZW
Environmental ProtectionSALT SPRAY PROOF
Keyway Width0.145 INCHES NOMINAL IN
Accommodated Fuse Length1.500 INCHES NOMINAL IN
Fuse Accommodation Quantity1
Current Carrying Rating in Amps30.0
Accommodated Ferrule Diameter0.406 INCHES NOMINAL IN
Body StyleREAR PANEL MOUNTED TYPE
Resistor Rating330.0 KILOHMS
Fuse Terminal Type AccommodatedFERRULE
Lens ColorCLEAR
Interruption Indicator MethodNEON LAMP
Voltage in Volts500.0
Screw Thread Diameter0.164 INCHES NOMINAL IN
Center to Center Distance Between Keyway and Bushing Hole0.531 INCHES NOMINAL IN
Center to Center Distance Between Outside Mounting Holes Along Width1.062 INCHES NOMINAL IN
Bushing Hole Diameter1.145 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5920-00-636-0177 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-824-1515 INTERCHANGEABLE
Fuseholder,extractor Post
5920-01-197-2568 INTERCHANGEABLE
Fuseholder,extractor Post
5920-01-669-1953 INTERCHANGEABLE
Fuse,cartridge
5920-01-699-5563 INTERCHANGEABLE
Fuseholder,extractor Post
Cross-Reference Index
Part NumberManufacturer
FHL12G Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
801687 PC 21 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
FHL12U (MOD) Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5920-00-636-0177INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-824-1515INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-01-197-2568INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-01-669-1953INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-699-5563INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST

Frequently Asked Questions

What is NSN 5920-01-220-1911?

NSN 5920-01-220-1911 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: active.

What are the part numbers for NSN 5920-01-220-1911?

NSN 5920-01-220-1911 has 3 cross-referenced part numbers: FHL12G (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 801687 PC 21 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), FHL12U (MOD) (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5920-01-220-1911?

There are 5 known substitutes for 5920-01-220-1911: 5920-00-636-0177, 5920-00-824-1515, 5920-01-197-2568 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FHL12G?

Key specifications for FHL12G: Length From Front Protrusion to Mounting Surface: 0.798 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN; Overall Height: 1.375 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 26 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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