Specifications

MIL-STD-1472E
5.9.11 .5.4 Gram surface. Where an item’s installation requires that its bottom surface be used
as a handhold
during removal or installation, a nonslip grasp surface(e.g., grooved,knurled, or
frictional)shall be provided.
5.9.11 .5.5 Handle dimensions. Handles which are to be used with rnittened, gloved, or
ungloved hands shall equal or exceed the minimum applicable dimensions shown in Figure 48.
5.9.11 .5.6 Handle and grasp area
for~ requirements. Forcerequirementsto operatehandle
andgrasp areas otherthan controls coveredby paragraph 5.4shallnot exceedthe values in Figure21.
5.9.11 .5.7 Handle material. Handles or grasp areas used with bare hands should have surfaces
that are not thermally (see 5.13.4.6) or electrically conductive. The surface shall be sufficiently hard to
prevent embedding of grit and @me during normal use.
5.9.12 Mounting.
5.9.12.1 GeneraL Equipment configuration shall pmciude improper mounting.
5.9.12.2 Tools. Items maintained at the organizational level shall be replaceable using only
common hand tools.
5.9.12.3 Removal. Replaceable items should be removable along a straight or slightly curved
line, rather than through an angle.
5.9.12.4 Alimmen
t. Items which must be precisely located or which incorporate rack and
panel connectors shall utiiize guide pins or their equivalent to assist in alignment during mounting.
5.9.12,5 Coding. Ceding by such means as color or labels shall ident@ the correct item and
its proper orientation or replacement. Where rquired to expedite field repair, wire bundles of more
than five wires shall be label- and color-coded.
5.9. i 2.6 Rollout racks, siides or hin~es hems which must be ptied out of their installed
positions shall be mounted on rollout racks, slides, or hinges. Rollout racks pulled to the fully
extended position should not shift the ~ter of gravity to the point where the rack or console becomes
unstable. If this possibility exists, the console or rack shall be safely secured.
5.9.12.7 Limit stops. Limit stops shall be provided on racks and drawers which are required to
be pulled out of their installed positions. Rollout racks and drawers shall be self-locking in the
retracted and extended positions. The limit stop design shall permit convenient overriding of stops for
rack or drawer removal.
5.9.12.8 Interlocks Interlocks shall be provided to ensure disconnection of equipment that
would otherwise be damaged by withdrawal of racks or drawers. Equipment design should obviate
the need for interlocks.
5.9.12.9 Hinged mounting. Hinged iterns shah be provided with a brace or other means of
support to hold equipment in the “out” position for maintenance if it is not free to rotate and remain in
Lhc“out” posit]on withou( support.