Specifications

MIL+’I’D-1472E
5.4.3.1.1.4
channel or cover Q.
Achannelorcoverguardshall beprovidedwhen
accidentalactuation of the controlmust be prevented. Whenacoverguardis in tie own position, it
shall not interfere with opemtionof the protecteddeviceor adjacentcontrols.
5.4.3.1.1.5 ~nsions. ~UMUQQWWtioU
Except for use of push
buttons in keyboards,control dimensions,!Astance, dispkwemenland se~mtion between adjacent
edges of finger or hand-operatedpushbuttonsshaIlconformto the criteria m Figure 11.
5.4.3.1.1.6 Mocks or bm
.
Mechanical interlocks or barriem may be usti
instead of the
spacing
mquimd by Hgure 11. “
DIMENSIOfUS
RESISTANCE
DIAMETER
D
Different
Fingertip
Thumb or Palm
Sin@e Finger
Fingers
Thumb or Palm
Minimum
9.5 mm (3/8 10.)
19 mm (3/4 In.)
2A N (1002.)
1.4 N (5 02.)
28 N (10 Od
Maximum
25
mm [1 ld
11 N [40 O&) S.6 N (20 OZ.)
23
N (80 Od
,
DISPLACEMENT
A
Fingertip
Thumb or Palm
Minimum 2 mm (5/64 In.}
3mm(l/8in.l
Maximum
6mm (1/4 in.)
S mm (1-1/2 tn}
SEPARATION
s
SingleFinger
Different
Singfe Finger
Sequontisl
Fin@ra
Thumb or Palm
Minimum
13
mm(l/2in.l
6mm11/41m)
6 mm (1/4 ha)
2S mm (1 In.}
Preferred SO mm (2 in.) 13 mm (1/2
in.)
13mm (1/2 Id
150 mm (6 In.]
&
t
?!c:c
,Abc;c tisu fo: b~rchanr! appli”ati~fi ~fir I?w-+ hand orwation.
minima
should be wrltably adjusted.