MIL-PRF-19207/30F
Ltr
Inches
mm
Ltr
Inches
mm
Min
Max
Min
Max
Min
Max
Min
Max
A
2.170
2.210
55.12
56.13
M
1.140
1.180
28.96
29.97
B
.600
.640
15.24
16.26
N
.360
.400
9.14
10.16
C
.540
.580
13.72
14.73
P
.088
.098
2.24
2.49
E
2.36
2.40
59.94
60.96
R
1.493
1.508
37.92
38.30
F
.440 (REF)
11.18 (REF)
S
.745
.757
18.92
19.23
G
.440 (REF)
11.18 (REF)
T
.245
.255
6.22
6.48
H
.500 (REF)
12.70 (REF)
U
.495
.505
12.57
12.83
J
1.060 (REF)
26.92 (REF)
V
.370
.380
9.40
9.65
K
.745
.755
18.92
19.18
W
.745
.750
18.92
19.05
L
.040
.080
1.02
2.03
NOTES:
1.
Dimensions are in inches.
2.
Metric equivalents (to the nearest 0.01 mm) are given for general information only, and are based upon
1 inch = 25.4 mm.
Unless otherwise specified, tolerances are ±0.02 (0.51 mm) for two place decimals and ±0.005 (0.13 mm) for
3.
three-place decimals.
4.
Cap thread shall be 3/8-32NEF-2 and provide for cap interchangeability.
5.
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.
6.
Gaskets and O-rings: It is recommended that class 3 silicone rubber of A-A-59588 (Rubber, Silicone), be
considered for use in meeting the gasket and O-ring material requirements of this specification.
FIGURE 1. Type FHN46W and type FHN46WB 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 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 styles)
Poles: Three.
Rating: 30 amperes maximum, 250 volts maximum.
Panel thickness: 0.125 inch (3.18 mm) maximum.
Nonindicating.
Terminals: Stud and screw type.
Enclosure: Watertight or watertight and body sealed (for submarine applications use FHN46WB).
Weight: 3 ounces maximum.
2