Cartridge Fuse

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  • Part Name
    CARTRIDGE FUSE
  • Federal Supply Class
    Fuses, Arrestors, Absorbers, And Protectors
  • NIIN
    013383489
  • Part Number
    L04389, XL50F550, 133085-4
  • National Stock Number
    5920-01-338-3489
  • Item Name Code
    248
Specifications
  • BODY STYLE
    HOLE TYPE
  • OVERALL LENGTH
    4.344 INCHES NOMINAL
  • CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH
    3.140 INCHES NOMINAL
  • MOUNTING SLOT WIDTH
    0.433 INCHES NOMINAL
  • OVERALL DIAMETER
    2.000 INCHES NOMINAL
  • TERMINAL WIDTH
    1.500 INCHES NOMINAL
  • TERMINAL THICKNESS
    0.250 INCHES NOMINAL
  • CONTINUOUS CURRENT RATING IN AMPS
    550.000
  • MAXIMUM VOLTAGE RATING IN VOLTS
    500.0 AC
  • CIRCUIT OVER-CURRENT INTERRUPTION TYPE
    NORMAL INSTANTANEOUS
  • SHORT-CIRCUIT/INTERRUPT CURRENT RATING IN AMPS
    200000.0
  • INTERRUPTION INDICATOR METHOD
    OPAQUE BODY
  • TERMINAL SURFACE TREATMENT
    SILVER PLATED OR
  • SOLDER PLATED
  • FEATURES PROVIDED
    NONRENEWABLE FUSIBLE ELEMENT
  • SPECIAL FEATURES
    ITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE ELECTRONICS SUPPLY CENTER PRODUCTION STANDARD NO. L04389; FOR NAVY NUCLEAR PROPULSION PLANT PRODUCTS ONLY
  • CRITICALITY CODE JUSTIFICATION
    FEAT
  • FRAGILITY FACTOR
    MODERATELY RUGGED
  • III PRECIOUS MATERIAL
    SILVER
  • III PRECIOUS MATERIAL AND LOCATION
    TERMINAL SURFACES SILVER
Restrictions
  • Demilitarization Code
    A

    Items subject to the Export Administration Regulations (EAR) in parts 773-74 of Title 15, Code of Federal Regulations (CFR) (CCLI or EAR99) and determined by the DoD to present a low risk when released out of DoD control. No DEMIL, MUT or end use certificate is required. May require an export license from DOC.

  • Criticality Code
    Y

    Does not have a nuclear hardened feature but does have other critical features(s) i.e. tolerance, fit restriction or application.

  • Hazardous Material Code
    P

    There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.

  • Precious Metals Code (PMIC)
    S

    Item contains silver.

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