MIL-DTL-23928G
3.3.7.1 Lenses. The indicator light lenses shall be color coded to designate a particular application as follows:
Color
Signification
Red
Danger or emergency
Green
Normal condition
Clear, etched (white)
Power on; power available
or ground detector
Blue
Circuit breaker closed
Circuit breaker open, or
Yellow
abnormal condition
3.3.8 Lug terminals. When specified (see 6.2), lug terminals attached to bus bars or studs shall be type CLC in
accordance with MIL-T-16366 or screw type lugs in accordance with MIL-T-55156. Single hole pad lugs shall not be
used if they can turn and short (come below minimum clearance distance) when the nut loosens. When specified,
the contact surfaces of lugs shall be silverplated as required herein (see 3.4.3.4.2).
3.3.9 Threads, fastening, and fastening devices. Screw threads (threads in copper, aluminum, and plastic),
fastening of parts, and fastening devices shall be in accordance with MIL-E-917 and as specified herein.
3.3.9.1 Acceptable locking devices. The following are considered acceptable types of locking devices:
a.
Self-locking nut.
b.
Castellated nut with cotter pinning or safety wiring.
c.
External toothed lockwasher may be used where the weight of the part does not exceed 2 ounces per
screw.
d.
Split ring lockwashers.
3.3.10 Gaskets. Rubber gaskets, when used, shall be in accordance with MIL-PRF-900.
3.3.11 Welding. Welding and allied processes used in fabrication shall be in accordance with
NAVSEA S9074-AR-GIB-010/278 ; however, non-destructive testing of NAVSEA S9074-AR-GIB-010/278 does not
apply. Commercial welding practices may be used for welding application involving aluminum alloy provided they
3.3.12 Stress relief. Drawn enclosures shall be stress relieved by being uniformly heated to a temperature suitable
for the material used. The welds on fabricated enclosures shall be peened to relieve stresses in accordance with
NAVSEA S9074-AR-GIB-010/278.
3.3.13 Painting. Unless otherwise specified (see 6.2), painting and protection against corrosion shall be in
accordance with MIL-E-917.
3.3.14 Identification plates, information plates, and marking. Identification and information plates shall be in
accordance with types A, B, C, F, or H of MIL-DTL-15024 and MIL-P-15024/5. Plastic identification and information
plates shall be light gray. Beveled edges are not required. Inscriptions or markings for all type plates shall be black,
except danger, warning, and caution plates which shall have words in red for emphasis or be red with white markings.
The marking format, information, and location shall be as specified herein and as specified (see 6.2). Unless
otherwise specified (see 6.2), circuit plates shall not be furnished.
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