PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-F-21346/3Fuseholder,block

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5920-00-532-2635 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-532-2635 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-532-2635. Primary manufacturer part number: MIL-F-21346/3.
Features
  • Fuseholder,block — FSC 5920
  • Body Style: CENTER BARRIER TYPE
  • Fuse Terminal Type Accommodated: FERRULE
  • Specification/standard Data: 81349-MIL-F-21346/3 GOVERNMENT SPECIFICATION
  • Material: COPPER ALLOY CONTACT
  • Test Data Document: 81349-MIL-F-21346 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.).
  • Coating Method: DIPPED TERMINAL
  • Current Carrying Rating in Amps: 30.0
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Fuseholder,block, cataloged under National Stock Number 5920-00-532-2635, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-00-532-2635
Primary Part NumberMIL-F-21346/3
Item NameFuseholder,block
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Body StyleCENTER BARRIER TYPE
Fuse Terminal Type AccommodatedFERRULE
Specification/standard Data81349-MIL-F-21346/3 GOVERNMENT SPECIFICATION
MaterialCOPPER ALLOY CONTACT
Test Data Document81349-MIL-F-21346 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.).
Coating MethodDIPPED TERMINAL
Current Carrying Rating in Amps30.0
Terminal Type and Quantity12 SCREW
Coating MethodDIPPED CONTACT
MaterialPLASTIC BODY
MaterialCOPPER ALLOY TERMINAL
Voltage in Volts250.0
Internal Circuit Configuration and Pole Quantity6 POLE, MAINLINE, FUSED
Surface TreatmentSOLDER TERMINAL
Surface TreatmentSOLDER CONTACT
Accommodated Ferrule Diameter0.250 INCHES NOMINAL IN
Accommodated Fuse Length1.250 INCHES NOMINAL IN
Mounting Hole Quantity6
Base Thickness0.250 INCHES NOMINAL IN
Center to Center Distance Between Outside Mounting Holes Along Width4.530 INCHES NOMINAL IN
Fuse Accommodation Quantity6
Mounting Hole StyleIN-LINE ALONG THE WIDTH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5940-00-204-8990MS25036-111 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
5998-01-109-6682 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
MIL-F-21346/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3553-6 Cooper Bussmann, Llc Dba Cooper Industries (USA)
M21346/3-19 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
265-1265-060 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
44-1327-6 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
FH22HM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5940-00-204-8990INTERCHANGEABLE
TERMINAL,LUG
MS25036-111
5998-01-109-6682INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 5920-00-532-2635?

NSN 5920-00-532-2635 is a Fuseholder,block, 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 5920-00-532-2635?

NSN 5920-00-532-2635 has 6 cross-referenced part numbers: MIL-F-21346/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 3553-6 (Cooper Bussmann, Llc Dba Cooper Industries), M21346/3-19 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 265-1265-060 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 44-1327-6 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc) and 1 more.

What NSN replaces 5920-00-532-2635?

There are 2 known substitutes for 5920-00-532-2635: 5940-00-204-8990, 5998-01-109-6682. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-F-21346/3?

Key specifications for MIL-F-21346/3: Body Style: CENTER BARRIER TYPE; Fuse Terminal Type Accommodated: FERRULE; Specification/standard Data: 81349-MIL-F-21346/3 GOVERNMENT SPECIFICATION; Material: COPPER ALLOY CONTACT. 25 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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