PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4766Fuseholder,block

Cole Hersee Company · NSN 5920-01-302-0421 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-302-0421 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-302-0421. Primary manufacturer part number: 4766.
Features
  • Fuseholder,block — FSC 5920
  • Material: COPPER ALLOY 511 CONTACT
  • Material: COPPER ALLOY TERMINAL
  • Surface Treatment: NICKEL CONTACT
  • Current Carrying Rating in Amps: 20.0
  • Fuse Terminal Type Accommodated: FERRULE
  • Terminal Type and Quantity: 6 SCREW AND 6 KNIFE BLADE
  • Coating Method: PLATED CONTACT
Applications
  • Applications requiring Copper Alloy 511 Contact construction
General Description

The Fuseholder,block, cataloged under National Stock Number 5920-01-302-0421, 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 Cole Hersee Company. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-302-0421
Primary Part Number4766
Item NameFuseholder,block
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerCole Hersee Company
StatusACTIVE
MaterialCOPPER ALLOY 511 CONTACT
MaterialCOPPER ALLOY TERMINAL
Surface TreatmentNICKEL CONTACT
Current Carrying Rating in Amps20.0
Fuse Terminal Type AccommodatedFERRULE
Terminal Type and Quantity6 SCREW AND 6 KNIFE BLADE
Coating MethodPLATED CONTACT
Accommodated Ferrule Diameter0.250 INCHES NOMINAL IN
Accommodated Fuse Length1.250 INCHES NOMINAL IN
Fuse Accommodation Quantity6
Body StyleSIGNAL BLOCK
Mounting Hole Diameter0.688 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-503-488410370EB INTERCHANGEABLE
Switch,pressure
Tld Wollard Llc
2040-00-896-67404766 INTERCHANGEABLE
Casting,stadimeter
L3 Technologies, Inc. Div L3 Keo
5325-01-022-3526 INTERCHANGEABLE
Ring,retaining
5999-01-133-37354766 INTERCHANGEABLE
Cap,electrical
Hoyt Corporation
3040-01-167-2973 INTERCHANGEABLE
Plate,retaining,shaft
5120-01-399-9516 INTERCHANGEABLE
Handle,socket Wrench
Cross-Reference Index
Part NumberManufacturer
4766 PRIMARY Cole Hersee Company (USA)
Related Parts
5930-00-503-4884INTERCHANGEABLE
SWITCH,PRESSURE
10370EB
2040-00-896-6740INTERCHANGEABLE
CASTING,STADIMETER
4766
5325-01-022-3526INTERCHANGEABLE
RING,RETAINING
5999-01-133-3735INTERCHANGEABLE
CAP,ELECTRICAL
4766
3040-01-167-2973INTERCHANGEABLE
PLATE,RETAINING,SHAFT
5120-01-399-9516INTERCHANGEABLE
HANDLE,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5920-01-302-0421?

NSN 5920-01-302-0421 is a Fuseholder,block, manufactured by Cole Hersee Company, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-01-302-0421?

NSN 5920-01-302-0421 has 1 cross-referenced part number: 4766 (Cole Hersee Company).

What NSN replaces 5920-01-302-0421?

There are 6 known substitutes for 5920-01-302-0421: 5930-00-503-4884, 2040-00-896-6740, 5325-01-022-3526 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4766?

Key specifications for 4766: Material: COPPER ALLOY 511 CONTACT; Material: COPPER ALLOY TERMINAL; Surface Treatment: NICKEL CONTACT; Current Carrying Rating in Amps: 20.0. 15 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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