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Rotary Shaft Seals for Switches & Potentiometers
HEXSEAL ? and E-SEEL ? rotary shaft seals are molded from a high tear-strength silicone rubber (other materials
available for speci?c environments) bonded to a built-in mounting nut. Each seal surrounds the rotary shaft and forms a
watertight and dust-tight seal against the shaft and front panel surface.
SPECIFICATIONS
Material ........................HEXSEALS: Silicone rubber conforms to A-A-59588,
Class 3B, Gr. 60 unless otherwise specified.
E-SEELS: Silicone rubber polymer type ASTM D1418
Mounting Nut ..............HEXSEALS: Brass, nickel-plated
E-SEELS: Brass, black-oxide
Temperature Range ....HEXSEALS: -94°F to +400°F (-70°C to +204°C)
E-SEELS: -80°F to +400°F (-62°C to +204°C)
Enclosure Protection ..NEMA/UL/ULC Types 1, 2, 3, 3S, 3R, 4, 4X, 6P, 12, 13;
IEC IP66/IP68
Pressure Range ..........Exceeds 15 psi internal and 1500 psi external
Operational Life ..........100,000 actuations (minimum)
Shelf Life .....................Excess of 25 years
Resistant to .................Salt spray, sunlight, ozone, weather, fungus, and most
acids and lubricating oils
Military Specs* ............Most HEXSEALS meet MIL-DTL-5423. (See listing on page 6)
Agency Recognition ...UL & ULC Recognized Component to UL Std. 50
Installation ...................Please see installation instructions on page 19
*APM’s policy is to manufacture our HEXSEAL ? sealing boots as defined by the requirements of MIL-Spec MIL-
DTL-5423 which we regard as the standard for the switch, circuit breaker and potentiometer industry. These
requirements were formulated based on our original patent.
HOW TO ORDER
Specify APM boot part number and, if necessary, the appropriate bushing
adaptor part number (please see page 19).
For metric sizes, see page 20.
FIGURE 21
Rotary Shaft Seals – IP66/68 Rated
Figure 21
Thread Size**
A
Shaft Size
inch mm
B
Height
inch mm
inch
C
Flat
mm
Military
Part
Number
APM Boot
Part Number
Color*
1 ? 4 -28NF2B
1 ? 4 -32NEF-2B
3 ? 8 -32NEF-2B
3 ? 8 -32NEF-2B
3 ? 8 -32NEF-2B
3 ? 8 -32NEF-2B
15 ? 32 -32NS-2B
1 ? 2 -32NS-2B
5 ? 8 -24NEF-2B
5 ? 8 -24NEF-2B
3 ? 8 -32NEF-2B
.125
.125
.125
.188
.250
.250
.250
.250
.375
.500
.250
3.18
3.18
3.18
4.78
6.35
6.35
6.35
6.35
9.53
12.70
6.35
.219
.219
.219
.219
.219
.359
.219
.219
.219
.219
.219
5.56
5.56
5.56
5.56
5.56
9.12
5.56
5.56
5.56
5.56
5.56
.375
.375
.500
.500
.500
.500
.625
.625
.750
.750
.500
9.53
9.53
12.70
12.70
12.70
12.70
15.88
15.88
19.05
19.05
12.70
—
M5423/09-03
M5423/09-01
—
M5423/09-02
—
M5423/09-04
M5423/09-06
M5423/09-05
—
—
N9042 x 1 ? 8
N9040 x 1 ? 8
N9030 x 1 ? 8
N9030 x 3 ? 16
N9030 x 1 ? 4
N9033 x 1 ? 4
N9060 x 1 ? 4
N9063 x 1 ? 4
N9065 x 3 ? 8
N9065 x 1 ? 2
C1332/40
Gray
Gray
Gray
Gray
Gray
Gray
Gray
Gray
Gray
Gray
Black
?
?
?
?
?
?
?
?
?
?
?
*Other colors available. Please consult factory. **Metric thread sizes available; consult factory.
FIGURE 22
RFI/EMI Shielded Rotary Shaft Seals – IP66/68 Rated
Figure 22
Thread Size**
A B C
Shaft Size Height Flat
inch mm inch mm inch
mm
Military
Part
Number
APM Boot
Part Number
Color*
1 ? 4 -32NF2B
3 ? 8 -32NEF-2B
3 ? 8 -32NEF-2B
3 ? 8 -32NEF-2B
15 ? 32 -32NS-2B
5 ? 8 -24NEF-2B
1 ? 2 -32NS-2B
1 ? 4 -28NF-2B
3 ? 8 -32NEF-2B
3 ? 8 -32NEF-2B
.125
.125
.250
.250
.250
.375
.250
.125
.125
.250
3.18
3.18
6.35
6.35
6.35
9.53
6.35
3.18
3.18
6.35
.219
.219
.219
.359
.219
.219
.219
.219
.531
.531
5.56
5.56
5.56
9.12
5.56
5.56
5.56
5.56
13.49
13.49
.375
.500
.500
.500
.625
.750
.625
.375
.625
.625
9.53
12.70
12.70
12.70
15.88
19.05
15.88
9.53
15.88
15.88
M5423/09-09
M5423/09-07
M5423/09-08
M5423/09-14
M5423/09-10
M5423/09-11?
M5423/09-12
—
—
—
N9040 x 1 ? 8 RFI
N9030 x 1 ? 8 RFI
N9030 x 1 ? 4 RFI
N9033 x 1 ? 4 RFI
N9060 x 1 ? 4 RFI
N9065 x 3 ? 8 RFI
N9063 x 1 ? 4 RFI
N9042 x 1 ? 8 RFI
NLK9030 x 1 ? 8 RFI
NLK9030 x 1 ? 4 RFI
Gray
Gray
Gray
Gray
Gray
Gray
Gray
Gray
Gray
Gray
?
?
?
?
?
?
?
?
?
?
*Other colors available. Please consult factory. ?Inactive for new designs. **Metric thread sizes available; consult factory.
All Standard RFI/EMI boots feature knitted Monel wire shields.
FIGURE 23
Locking Rotary Shaft Seals – IP66/68 Rated
Figure 23
Thread Size
A B
Shaft Size Height
inch mm inch mm
C
Flat
inch mm
Lock Nut
O.D.
inch mm
Military
Part
Number
APM Boot
Part Number
Color*
1 ? 4 -32NS-2B
3 ? 8 -32NS-2B
3 ? 8 -32NS-2B
.125
.125
.250
3.18
3.18
6.35
.500
.531
.531
12.70
13.49
13.49
.500
.625
.625
12.70
15.88
15.88
.344
.469
.469
8.74
11.91
11.91
—
—
—
NLK9040 x 1 ? 8
NLK9030 x 1 ? 8
NLK9030 x 1 ? 4
Gray
Gray
Gray
?
?
?
*Other colors available. Please consult factory.
DIMENSIONS FOR REFERENCE ONLY.
Current dimensional drawings can be viewed on our website and CAD drawings can also be downloaded.
RoHS
Compliant
www.apmhexseal.com
15
800.498.9034
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