MIL-PRF-19207/26J
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for general information only and are based upon 1.00 inch = 25.4 mm.
3. Unless otherwise specified, tolerance for three place decimals is ±.015 (0.38 mm).
4. Cap and body molding material: It is suggested that type 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. ASTM-D3935 is also suggested as guidance for cap material.
5. Gasket and O-rings: It is suggested that gaskets and O-rings that meet class 3 of A-A-59588 be considered
for use.
6. Contact surfaces: It is suggested that plating in accordance with SAE-AMS-P-81728 be considered for use.
FIGURE 1. Type FHN42W 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:
Miniature plug type: FM01: MIL-PRF-23419/1, (or equivalent). Fuse is not captive in cap at removal. The
maximum height fuse the fuseholder cap will accept is .363 inches (9.22 mm) (including terminals).
Poles: One.
Rating: 5 amperes, 125 volts maximum.
Panel thickness: .125 inch (3.18 mm) maximum.
Nonindicating:
Terminals: Solder lug type.
Enclosure: Watertight.
Thermal shock temperature: +125°C, -65°C.
Contact resistance:
Initial: 0.006 ohms maximum.
After endurance test: 0.010 ohms maximum.
Contact surfaces: Contact surfaces may be plated to enable the fuseholder to meet the performance requirements
of this specification. Additional information and guidance in plating is specified in the notes.
Gasket and o-rings: Gaskets and o-rings shall be used that enable the fuseholder to meet the performance
requirements of this specification. Additional information and guidance on gaskets and o-rings are specified in the
notes.
Marking: Current and voltage ratings must be marked on the unit packages.
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