PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3555-9Fuseholder,block

Cooper Bussmann, Llc Dba Cooper Industries · NSN 5920-01-285-3878 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-285-3878 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-285-3878. Primary manufacturer part number: 3555-9.
Features
  • Fuseholder,block — FSC 5920
  • Center to Center Distance Between Outside Mounting Holes Along Length: 7.714 INCHES NOMINAL IN
  • Mounting Hole Quantity: 9
  • Base Thickness: 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 18 SCREW
  • Material: COPPER ALLOY TERMINAL
  • Material: COPPER ALLOY CONTACT
  • Mounting Hole Diameter: 0.145 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
Applications
  • Applications requiring Copper Alloy Terminal construction
General Description

The Fuseholder,block, cataloged under National Stock Number 5920-01-285-3878, 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 16 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-285-3878
Primary Part Number3555-9
Item NameFuseholder,block
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerCooper Bussmann, Llc Dba Cooper Industries
StatusACTIVE
Center to Center Distance Between Outside Mounting Holes Along Length7.714 INCHES NOMINAL IN
Mounting Hole Quantity9
Base Thickness0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Terminal Type and Quantity18 SCREW
MaterialCOPPER ALLOY TERMINAL
MaterialCOPPER ALLOY CONTACT
Mounting Hole Diameter0.145 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
Voltage in Volts250.0
Mounting Hole StyleIN-LINE ALONG THE LENGTH
Fuse Terminal Type AccommodatedFERRULE
Fuse Accommodation Quantity9
Accommodated Fuse Length1.500 INCHES NOMINAL IN
Internal Circuit Configuration and Pole Quantity9 POLE, MAINLINE, FUSED
Current Carrying Rating in Amps20.0
Body StyleCLIP CONNECTED TYPE
Accommodated Ferrule Diameter0.406 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6210-00-538-994435559 INTERCHANGEABLE
Light,indicator
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
5940-00-539-219335559 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5133-00-988-5669 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
3555-9 PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
FH25LM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FH25LM Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
6210-00-538-9944INTERCHANGEABLE
LIGHT,INDICATOR
35559
5940-00-539-2193INTERCHANGEABLE
TERMINAL,LUG
35559
5133-00-988-5669INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 5920-01-285-3878?

NSN 5920-01-285-3878 is a Fuseholder,block, 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 5920-01-285-3878?

NSN 5920-01-285-3878 has 3 cross-referenced part numbers: 3555-9 (Cooper Bussmann, Llc Dba Cooper Industries), FH25LM (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), FH25LM (Cooper Bussmann, Llc Dba Cooper Industries).

What NSN replaces 5920-01-285-3878?

There are 3 known substitutes for 5920-01-285-3878: 6210-00-538-9944, 5940-00-539-2193, 5133-00-988-5669. Verify interchangeability with system specifications before substitution.

What are the specifications of 3555-9?

Key specifications for 3555-9: Center to Center Distance Between Outside Mounting Holes Along Length: 7.714 INCHES NOMINAL IN; Overall Height: 0.925 INCHES MINIMUM AND 0.995 INCHES MAXIMUM IN; Mounting Hole Quantity: 9; Base Thickness: 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN. 19 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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