PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

256007Fuse,cartridge

Littelfuse, Inc. · NSN 5920-01-291-1512 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-291-1512 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-291-1512. Primary manufacturer part number: 256007.
Features
  • Fuse,cartridge — FSC 5920
  • Material: CERAMIC CASE
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Material: COPPER TERMINAL
  • Terminal Length: 1.500 INCHES NOMINAL IN
  • Terminal Diameter: 0.025 INCHES NOMINAL IN
  • Interruption Indicator Method: OPAQUE BODY
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
Applications
  • Applications requiring Ceramic Case construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-291-1512, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5920-01-291-1512
Primary Part Number256007
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusACTIVE
MaterialCERAMIC CASE
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
MaterialCOPPER TERMINAL
Terminal Length1.500 INCHES NOMINAL IN
Terminal Diameter0.025 INCHES NOMINAL IN
Interruption Indicator MethodOPAQUE BODY
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Continuous Current Rating in Amps7.000
Overall Diameter0.095 INCHES NOMINAL IN
Fragility FactorMODERATELY RUGGED
Maximum Voltage Rating in Volts125.0 AC AND 125.0 DC
Surface TreatmentSOLDER TERMINAL
Body StyleTANGENT LEADS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5325-00-672-291400256-0007 INTERCHANGEABLE
Eyelet,metallic
Asrc Federal Facilities Logistics, Llc
6685-01-136-9834256007 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
Cross-Reference Index
Part NumberManufacturer
256007 PRIMARY Littelfuse, Inc. (USA)
159-0195-00 Tektronix, Inc. (USA)
AC7XRAD Cooper Bussmann, Llc Dba Cooper Industries (USA)
SP7-7A San-O Industrial Corp (USA)
Related Parts
5325-00-672-2914INTERCHANGEABLE
EYELET,METALLIC
00256-0007
6685-01-136-9834INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
256007

Frequently Asked Questions

What is NSN 5920-01-291-1512?

NSN 5920-01-291-1512 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 5920-01-291-1512?

NSN 5920-01-291-1512 has 4 cross-referenced part numbers: 256007 (Littelfuse, Inc.), 159-0195-00 (Tektronix, Inc.), AC7XRAD (Cooper Bussmann, Llc Dba Cooper Industries), SP7-7A (San-O Industrial Corp).

What NSN replaces 5920-01-291-1512?

There are 2 known substitutes for 5920-01-291-1512: 5325-00-672-2914, 6685-01-136-9834. Verify interchangeability with system specifications before substitution.

What are the specifications of 256007?

Key specifications for 256007: Material: CERAMIC CASE; Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS; Overall Length: 0.280 INCHES NOMINAL IN; Material: COPPER TERMINAL. 14 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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