MIL-PRF-19207/17H
5. Round hole mounting for replacement only. Use adapter washer for nonwatertight and non EMI/RFI
applications only.
6. Marking: In addition to other required marking, the manufacturer's identification, the type
designation, and the current and voltage rating shall appear on the fuseholder body but the location
of each is optional.
FIGURE 2. Type FHN28WS and Type FHN28WBS fuseholder. - Continued.
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 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.
Style: MIL-PRF-15160, F02 and F03 and MIL-PRF-23419, FM09.
Poles: One.
Rating: 30 amperes, 250 volts maximum.
Panel thickness: 0.125 inch (3.18 mm) maximum.
Nonindicating:
Lamp series resistor: None.
Terminals: Threaded stud and screw type.
Enclosure: Watertight (FHN28W), watertight with EMI/RFI shielding (FHN28WS), watertight and body
sealed (FHN28WB) or watertight and body sealed with EMI/RFI shielding (FHN28WBS).
Test fuses:
Temperature rise: F03A125V30A of MIL-PRF-15160/03.
Voltage drop: F03A125V30A of MIL-PRF-15160/03.
Short circuit: F03A250V15A of MIL-PRF-15160/03.
Mechanical shock: Method I of MIL-PRF-19207.
Terminal strength: 20 pounds.
Torque:
Threaded terminals: 12 inch-pounds.
Cap metal insert: 36 inch-pounds.
Mounting: 15 - 20 inch-pounds.
Salt spray (corrosion): Test condition B.
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