PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FHL21GYFuseholder,extractor Post

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5920-00-583-2158 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-583-2158 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-583-2158. Primary manufacturer part number: FHL21GY.
Features
  • Fuseholder,extractor Post — FSC 5920
  • Fuse Terminal Type Accommodated: FERRULE
  • Accommodated Ferrule Diameter: 0.250 INCHES NOMINAL IN
  • Fuse Accommodation Quantity: 1
  • Voltage in Volts: 250.0
  • Interruption Indicator Method: NEON LAMP
  • Accommodated Fuse Length: 1.250 INCHES NOMINAL IN
  • Bushing Thread Length: 0.438 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Fuseholder,extractor Post, cataloged under National Stock Number 5920-00-583-2158, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-00-583-2158
Primary Part NumberFHL21GY
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
Fuse Terminal Type AccommodatedFERRULE
Accommodated Ferrule Diameter0.250 INCHES NOMINAL IN
Fuse Accommodation Quantity1
Voltage in Volts250.0
Interruption Indicator MethodNEON LAMP
Accommodated Fuse Length1.250 INCHES NOMINAL IN
Bushing Thread Length0.438 INCHES NOMINAL IN
MaterialCOPPER ALLOY CONTACT
Terminal Type and Quantity2 TAB, SOLDER LUG
Bushing Diameter0.625 INCHES NOMINAL IN
Overall Diameter0.812 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5920-00-296-5871 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-552-0269 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-636-0177 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-817-3387 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-881-6584 INTERCHANGEABLE
Fuseholder,extractor Post
5920-01-056-5481 INTERCHANGEABLE
Fuseholder,extractor Post
5920-01-197-2568 INTERCHANGEABLE
Fuseholder,extractor Post
Cross-Reference Index
Part NumberManufacturer
FHL21GY Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILF19207 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5920-00-296-5871INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-552-0269INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-636-0177INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-817-3387INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-881-6584INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-01-056-5481INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-01-197-2568INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST

Frequently Asked Questions

What is NSN 5920-00-583-2158?

NSN 5920-00-583-2158 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 5920-00-583-2158?

NSN 5920-00-583-2158 has 2 cross-referenced part numbers: FHL21GY (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILF19207 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5920-00-583-2158?

There are 7 known substitutes for 5920-00-583-2158: 5920-00-296-5871, 5920-00-552-0269, 5920-00-636-0177 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FHL21GY?

Key specifications for FHL21GY: Overall Length: 2.750 INCHES NOMINAL IN; Fuse Terminal Type Accommodated: FERRULE; Accommodated Ferrule Diameter: 0.250 INCHES NOMINAL IN; Fuse Accommodation Quantity: 1. 12 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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