PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HTB-52IFuseholder,extractor Post

Cooper Bussmann, Llc Dba Cooper Industries · NSN 5920-01-304-8729 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-304-8729 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-304-8729. Primary manufacturer part number: HTB-52I.
Features
  • Fuseholder,extractor Post — FSC 5920
  • Current Carrying Rating in Amps: 20.0
  • Fuse Terminal Type Accommodated: FERRULE
  • Accommodated Ferrule Diameter: 0.250 INCHES NOMINAL IN
  • Bushing Thread Length: 0.500 INCHES NOMINAL IN
  • Accommodated Fuse Length: 1.250 INCHES NOMINAL IN
  • Voltage in Volts: 300.0
  • Terminal Type and Quantity: 2 TAB, SOLDER LUG
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Fuseholder,extractor Post, cataloged under National Stock Number 5920-01-304-8729, 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 Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-304-8729
Primary Part NumberHTB-52I
Item NameFuseholder,extractor Post
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerCooper Bussmann, Llc Dba Cooper Industries
StatusACTIVE
Current Carrying Rating in Amps20.0
Fuse Terminal Type AccommodatedFERRULE
Accommodated Ferrule Diameter0.250 INCHES NOMINAL IN
Bushing Thread Length0.500 INCHES NOMINAL IN
Accommodated Fuse Length1.250 INCHES NOMINAL IN
Voltage in Volts300.0
Terminal Type and Quantity2 TAB, SOLDER LUG
Fuse Accommodation Quantity1
Surface TreatmentTIN CONTACT
Length From Front Protrusion to Mounting Surface0.160 INCHES NOMINAL IN
MaterialCOPPER ALLOY CONTACT
Flatted Side Bushing Hole Length0.475 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN
Bushing Hole Diameter0.502 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Environmental ProtectionSHOCK PROOF
Mounting Hole Quantity1
Mounting Hole Diameter0.502 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Body StyleBUSHING MOUNTED TYPE
Overall Diameter0.650 INCHES NOMINAL IN
Mounting Hole StyleBUSHING MOUNTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5920-00-031-5181 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-858-8161 INTERCHANGEABLE
Fuseholder,extractor Post
5920-01-116-8359 INTERCHANGEABLE
Fuseholder,extractor Post
5920-01-296-2173 INTERCHANGEABLE
Fuseholder,extractor Post
5920-01-334-8566 INTERCHANGEABLE
Fuseholder,extractor Post
5920-01-341-0724 INTERCHANGEABLE
Fuseholder,extractor Post
5920-01-349-0012 INTERCHANGEABLE
Fuseholder,extractor Post
5920-01-362-5183 INTERCHANGEABLE
Fuseholder,extractor Post
5920-01-393-2078 INTERCHANGEABLE
Fuseholder,extractor Post
5920-01-412-9162 INTERCHANGEABLE
Fuseholder,extractor Post
Cross-Reference Index
Part NumberManufacturer
HTB-52I Cooper Bussmann, Llc Dba Cooper Industries (USA)
AA55504/06-001A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-55504/6 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA55504/6-001A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA55504 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
5920-00-031-5181INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-858-8161INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-01-116-8359INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-01-296-2173INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-01-334-8566INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-01-341-0724INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-01-349-0012INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-01-362-5183INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-01-393-2078INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-01-412-9162INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST

Frequently Asked Questions

What is NSN 5920-01-304-8729?

NSN 5920-01-304-8729 is a Fuseholder,extractor Post, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-01-304-8729?

NSN 5920-01-304-8729 has 5 cross-referenced part numbers: HTB-52I (Cooper Bussmann, Llc Dba Cooper Industries), AA55504/06-001A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-55504/6 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA55504/6-001A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA55504 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 5920-01-304-8729?

There are 10 known substitutes for 5920-01-304-8729: 5920-00-031-5181, 5920-00-858-8161, 5920-01-116-8359 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HTB-52I?

Key specifications for HTB-52I: Current Carrying Rating in Amps: 20.0; Fuse Terminal Type Accommodated: FERRULE; Accommodated Ferrule Diameter: 0.250 INCHES NOMINAL IN; Bushing Thread Length: 0.500 INCHES NOMINAL IN. 20 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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