Specifications
MIL-STD- 1472E
TABLE XXIV. Horizontal push andpull forces exertable intermittently
or for short periods of time (male personnel)
HORIZONTAL APPLIED WIT#
COfQTfON
FORCE1
(m= Coefficient of Frictiin)
1(MN
(25 lb)
both hands or one Low traction: 0.2< p < 0.3
push or pull shoulder or the back
200N (45 lb) both hands or one
I
Medium traction: p -0.6
push or pull shoulder or the back
250N (55 lb)
one hand
if braced against a vertical wall 51-152 cm (20+0 in) from
push
and parallel to the push panel
300N (70 lb)
I
both hands or one High traction: m >0.9
push or pull shoulder or the back
500N (110 lb)
both hands or one
if braced against a vertical wall 51-178 cm (20-70 in) from
push or pull shoulder or the back
and parallelto the panelor ifanohoring the feet on a
perfeetly
nonslip ground (like a footrest)
750N(165 lb) the back
if braced
against a vertieal wall 51-178 cm (20-70 in.) from
push
and parallel to the panel or if anchoringthe feet on a
perfeotty nonslip ground [like a footrast)
4. . .
—
‘ Msy be doubled for two and tripled for three operators pushing sirnuttaneousiy. For the fourth and each
additional operator, not more than 75°A of their push capability shouldbe added.
2See ffgum46 for examples.
Note: Vatuas are predicated upon a suitabte surface for force exertion, i.e., a vertical, rough surface,
approximately 40cm(16 m) wide, and 510-127 em (20 -50 in) abovethe floor
to allow force
application with the hands, the shoulder,
or the back.
5.9.13 Conductors.
5.9.13.1 Coding. Cables containing individually insulated conductors with a ccmmon sheath
shall be coded every 30 cm (12 in).
5.9.13.2 C.Ableckuno
s. UtiIess wiring ducts or conduits amused, mdmh@iy @t
adhesively) mounted cable chimps shaIl be provided to ensure comxx routing of electrical eabks within
and betw&n equipment items to-ensure tha~cables do not hinder or obstruct-equipment maintenance
and to facilitate the mating of cables with their associated equipment items, and to prevent chafing due
to contact w!t?r adjacent strueturc. All
t?!ampss?M! be visil?te when qripmcm is insta!lcd.
5 q. 13.7 ] ,enp(h, cables shall he ]~ng enough so
thatrequired checking of any functioning item
can be accompli-n a conveniern place. Extension cabks shsIIbe provided where this is not
ftiibk CA& AWU~MJ JJW.LOULdud fuuihing itcm !ocakd in &auus u pullout
racks
without having to remove the item from its installed location.