MIL-PRF-19207-11 Fuseholder, Extractor Post Type, Blown Fuse Nonindicating, Type Fhn20G

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MIL-PRF-19207/11K

REQUIREMENTS:

Interface and physical dimensions: See figure 1.

Cap and body molding material: Cap and body molding materials shall be selected to enable the fuseholder to

meet the performance requirements of this specification. Additional information and guidance on cap and body

molding material are specified in the notes.

Fuse accommodation:

Ferrule type:

Size: 0.250 inch (6.35 mm) diameter, 1.250 inches (31.75 mm) length.

(or equivalent size and style).

Poles: One.

Rating: 20 amperes, 250 volts maximum.

Panel thickness: 0.187 inch (4.75 mm) maximum.

Gaskets: Gaskets shall be used that enable the fuseholder to meet the performance requirements of this

specification. Additional information and guidance on gaskets are specified in the notes.

Lamp series resistor: None.

Terminals: Solder lug type.

Enclosure: Dripproof.

Test fuses:

Temperature rise: F03A125V20A of MIL-PRF-15160/3.

Short circuit: F03A250V15A of MIL-PRF-15160/3.

Dielectric withstanding voltage: F03A.

Mechanical shock: Method II of MIL-PRF-19207.

Terminal strength: 5 pounds.

Torque: Mounting: 20 pounds-inch.

Salt spray (corrosion): Test condition B.

Part or Identifying Number (PIN): FHN20G.

NOTES:

Cap and body molding material: It is recommended that types MAI-60, GDI-30F or SDG-F of American Society

for Testing and Materials ASTM-D5948 be considered for meeting the cap and body molding material

requirements of this specification.

Gaskets: It is recommended that class 3 silicone rubber of A-A-59588 (Rubber, Silicone), be considered for

use in meeting the gasket material requirements of this specification.

Referenced documents. In addition to MIL-PRF-19207, this document references the following:

The margins of this specification are marked with vertical lines to indicate where changes from the previous issue

were made. This was done as a convenience only and the Government assumes no liability whatsoever for any

inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this

document based on the entire content irrespective of the marginal notations and relationship to the last previous

issue.