PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CM40K26Fuse Link,electrical

La Chance Ltd · NSN 5920-00-256-9363 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-256-9363 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-256-9363. Primary manufacturer part number: CM40K26.
Features
  • Fuse Link,electrical — FSC 5920
  • Interruption Indicator Method: OPAQUE BODY
  • Maximum Voltage Rating in Volts: 4800.0 AC
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Continuous Current Rating in Amps: 40.000
  • Body Style: PIGTAIL TYPE
  • Overall Diameter: 0.750 INCHES NOMINAL IN
  • Terminal Length: 21.000 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse Link,electrical, cataloged under National Stock Number 5920-00-256-9363, 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 La Chance Ltd. Government technical data includes 7 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-00-256-9363
Primary Part NumberCM40K26
Item NameFuse Link,electrical
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLa Chance Ltd
StatusACTIVE
Interruption Indicator MethodOPAQUE BODY
Maximum Voltage Rating in Volts4800.0 AC
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Continuous Current Rating in Amps40.000
Body StylePIGTAIL TYPE
Overall Diameter0.750 INCHES NOMINAL IN
Terminal Length21.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3030-00-005-7646 INTERCHANGEABLE
Belts,v,matched Set
5920-00-068-3005 INTERCHANGEABLE
Fuse Link,electrical
5920-00-068-3007 INTERCHANGEABLE
Fuse Link,electrical
5920-00-068-3009 INTERCHANGEABLE
Fuse Link,electrical
5920-00-124-0600 INTERCHANGEABLE
Fuse Link,electrical
5920-00-223-2405 INTERCHANGEABLE
Fuse Link,electrical
5920-00-229-8443 INTERCHANGEABLE
Fuse Link,electrical
5920-00-234-8189 INTERCHANGEABLE
Fuse Link,electrical
5920-00-234-8191 INTERCHANGEABLE
Fuse Link,electrical
5920-00-247-9782FL11K10 INTERCHANGEABLE
Fuse Link,electrical
Cooper Bussmann, Llc Dba Cooper Industries
Cross-Reference Index
Part NumberManufacturer
CM40K26 La Chance Ltd (USA)
M40K26 La Chance Ltd (USA)
31040-29 Kearney Div of Kearney National Inc (USA)
AA55497-030 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-55497 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FL11K40 Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
3030-00-005-7646INTERCHANGEABLE
BELTS,V,MATCHED SET
5920-00-068-3005INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5920-00-068-3007INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5920-00-068-3009INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5920-00-124-0600INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5920-00-223-2405INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5920-00-229-8443INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5920-00-234-8189INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5920-00-234-8191INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5920-00-247-9782INTERCHANGEABLE
FUSE LINK,ELECTRICAL
FL11K10
5920-00-247-9815INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5920-00-256-9362INTERCHANGEABLE
FUSE LINK,ELECTRICAL

Frequently Asked Questions

What is NSN 5920-00-256-9363?

NSN 5920-00-256-9363 is a Fuse Link,electrical, manufactured by La Chance Ltd, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-00-256-9363?

NSN 5920-00-256-9363 has 6 cross-referenced part numbers: CM40K26 (La Chance Ltd), M40K26 (La Chance Ltd), 31040-29 (Kearney Div of Kearney National Inc), AA55497-030 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-55497 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 1 more.

What NSN replaces 5920-00-256-9363?

There are 12 known substitutes for 5920-00-256-9363: 3030-00-005-7646, 5920-00-068-3005, 5920-00-068-3007 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CM40K26?

Key specifications for CM40K26: Special Features: SOLID HEAD; Interruption Indicator Method: OPAQUE BODY; Maximum Voltage Rating in Volts: 4800.0 AC; Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS. 9 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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