PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0312.250MXPFuse,cartridge

Littelfuse, Inc. · NSN 5920-00-043-2641 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-043-2641 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-043-2641. Primary manufacturer part number: 0312.250MXP.
Features
  • Fuse,cartridge — FSC 5920
  • Specification/standard Data: 81349 - 81349-MIL-PRF-15160/2D GOVERNMENT SPECIFICATION
  • Surface Treatment: NICKEL TERMINAL
  • Overall Diameter: 0.240 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
  • Maximum Voltage Rating in Volts: 250.0 AC AND 250.0 DC
  • Interruption Indicator Method: VISIBLE ELEMENT
  • Continuous Current Rating in Amps: 0.250
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
Applications
  • Applications requiring Glass Case construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-043-2641, 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 Littelfuse, Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 31 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-043-2641
Primary Part Number0312.250MXP
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusCANCELLED
Specification/standard Data81349 - 81349-MIL-PRF-15160/2D GOVERNMENT SPECIFICATION
Surface TreatmentNICKEL TERMINAL
Overall Diameter0.240 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
Maximum Voltage Rating in Volts250.0 AC AND 250.0 DC
Interruption Indicator MethodVISIBLE ELEMENT
Continuous Current Rating in Amps0.250
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
MaterialGLASS CASE
Body StyleTUBE TYPE
Test Data Document81348-MIL-PRF-15160 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.).
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-061-53619123 INTERCHANGEABLE
Strainer Element,sediment
Vortox Company
5935-00-196-96999123 INTERCHANGEABLE
Connector,plug,electrical
Telemechanics Inc
5985-00-201-506323669 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5330-00-259-1397 INTERCHANGEABLE
Packing,preformed
5920-00-280-5031 INTERCHANGEABLE
Fuse,cartridge
5315-00-297-347442459 INTERCHANGEABLE
Pin,straight,headless
Allison Transmission Inc Dba Allison Transmission, Inc
5985-00-328-1685 INTERCHANGEABLE
Attenuator,fixed
4940-00-455-3128 INTERCHANGEABLE
Screen,spray Gun,pa
5920-00-504-8634 INTERCHANGEABLE
Fuse,cartridge
5920-00-798-57102110-0004 INTERCHANGEABLE
Fuse,cartridge
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
FSF5036-250MA Abacus Rdi Deltron (FRA)
312-250 Wickmann Werke Gmbh (DEU)
0312.250MXP PRIMARY Littelfuse, Inc. (USA)
651095 American Monarch Corp (USA)
312.250 Continental Electronics Corp (USA)
2409-1493530 Naval Sea Systems Command (USA)
B2R78P5 Lockheed Martin Corporation Div Rms (USA)
F02A250V250S Littelfuse, Inc. (USA)
4133725-058 Raytheon Company Div Rmd Strategic (USA)
42-459 Ametek Programmable Power, Inc. (USA)
16708-11-5-267 Cae Inc (CAN)
337490 Eastman Kodak Co (USA)
312.2503AG Littelfuse, Inc. (USA)
351/006/005 L3harris Interstate Electronics Corporation (USA)
42-459 Raytheon Company Div Corp (USA)
114A032786 Northrop Grumman Systems Corporation (USA)
F02A250V250S Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
392-250 A V W Electronic Systems Inc (USA)
312-250 Littelfuse, Inc. (USA)
P3047-5 L3 Technologies, Inc. Div L3 Keo (USA)
Related Parts
4730-00-061-5361INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
9123
5935-00-196-9699INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
9123
5985-00-201-5063INTERCHANGEABLE
COUPLER,DIRECTIONAL
23669
5330-00-259-1397INTERCHANGEABLE
PACKING,PREFORMED
5920-00-280-5031INTERCHANGEABLE
FUSE,CARTRIDGE
5315-00-297-3474INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
42459
5985-00-328-1685INTERCHANGEABLE
ATTENUATOR,FIXED
4940-00-455-3128INTERCHANGEABLE
SCREEN,SPRAY GUN,PA
5920-00-504-8634INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-798-5710INTERCHANGEABLE
FUSE,CARTRIDGE
2110-0004
5920-00-799-8574INTERCHANGEABLE
FUSE,CARTRIDGE
2540-00-810-4057INTERCHANGEABLE
LEVELING SYSTEM

Frequently Asked Questions

What is NSN 5920-00-043-2641?

NSN 5920-00-043-2641 is a Fuse,cartridge, manufactured by Littelfuse, Inc., classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-043-2641?

NSN 5920-00-043-2641 has 50 cross-referenced part numbers: FSF5036-250MA (Abacus Rdi Deltron), 312-250 (Wickmann Werke Gmbh), 0312.250MXP (Littelfuse, Inc.), 651095 (American Monarch Corp), 312.250 (Continental Electronics Corp) and 45 more.

What NSN replaces 5920-00-043-2641?

There are 12 known substitutes for 5920-00-043-2641: 4730-00-061-5361, 5935-00-196-9699, 5985-00-201-5063 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0312.250MXP?

Key specifications for 0312.250MXP: Specification/standard Data: 81349 - 81349-MIL-PRF-15160/2D GOVERNMENT SPECIFICATION; Surface Treatment: NICKEL TERMINAL; Overall Length: 1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN; Overall Diameter: 0.240 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-043-2641 still in active supply?

NSN 5920-00-043-2641 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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