PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

312-750Fuse,cartridge

Littelfuse, Inc. · NSN 5920-00-611-6660 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-611-6660 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-611-6660. Primary manufacturer part number: 312-750.
Features
  • Fuse,cartridge — FSC 5920
  • Body Style: TUBE TYPE
  • Maximum Voltage Rating in Volts: 250.0 AC AND 250.0 DC
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Interruption Indicator Method: VISIBLE ELEMENT
  • Continuous Current Rating in Amps: 0.750
  • Material: GLASS CASE
  • Overall Diameter: 0.250 INCHES NOMINAL IN
Applications
  • Applications requiring Glass Case construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-611-6660, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5920-00-611-6660
Primary Part Number312-750
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusACTIVE
Body StyleTUBE TYPE
Maximum Voltage Rating in Volts250.0 AC AND 250.0 DC
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Interruption Indicator MethodVISIBLE ELEMENT
Continuous Current Rating in Amps0.750
MaterialGLASS CASE
Overall Diameter0.250 INCHES NOMINAL IN
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Surface TreatmentNICKEL TERMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5920-00-284-9494 INTERCHANGEABLE
Fuse,cartridge
5920-00-296-0446 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
10668241-10 Us Army Aviation and Missile Command (USA)
312-750 PRIMARY Littelfuse, Inc. (USA)
Related Parts
5920-00-284-9494INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-296-0446INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-00-611-6660?

NSN 5920-00-611-6660 is a Fuse,cartridge, manufactured by Littelfuse, Inc., classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-00-611-6660?

NSN 5920-00-611-6660 has 2 cross-referenced part numbers: 10668241-10 (Us Army Aviation and Missile Command), 312-750 (Littelfuse, Inc.).

What NSN replaces 5920-00-611-6660?

There are 2 known substitutes for 5920-00-611-6660: 5920-00-284-9494, 5920-00-296-0446. Verify interchangeability with system specifications before substitution.

What are the specifications of 312-750?

Key specifications for 312-750: Body Style: TUBE TYPE; Maximum Voltage Rating in Volts: 250.0 AC AND 250.0 DC; Overall Length: 1.250 INCHES NOMINAL IN; Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS. 10 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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