MIL-DTL-3786/20K
PIN: The PIN shall be assigned using example A, which consists of a dash number from table III, and
appropriate suffix letter as required. If the desired characteristics are not defined, the PIN shall be
assigned by using the code letters from table IV, table V, and table VI as described in example B
illustrated below:
T
G
L
Example A: Nonflux-sealed, slotted terminal switches
M3786/20-351
Switching characteristics
(see table III)
Add the letter T when a slotted
shaft is required
Add the letter G if positive
shaft grounding is required
Add the letter L for low level
requirement
NOTE: M3786/351TGL identifies a nonflux-sealed rotary switch of construction E, temperature-life
characteristic B, a 45° angle of throw, two poles per deck, three positions, nonshorting switching
characteristics, slotted shaft, with low level and ground shaft.
Example B: Flux-sealed switches:
M3786/20-G
E
CL
Switching characteristics, type of shaft and
length of housing (see table IV)
Type construction, low level capability
shaft grounding, and type of termination
(see table V)
Angle of throw, poles per
deck and number of positions
per pole (see table VI)
NOTE: M3786/20-GECL identifies a flux-sealed rotary switch that is explosion proof, flux proof, closed
construction, sealed shaft and panel seal, with a flatted shaft, .542 ± .020 inches (13.21 ± .51 mm),
nonshorting switching characteristics, a 45° angle of throw, 2 poles, 4 positions per pole, construction
type K, a grounded shaft with low level capabilities and printed circuit termination.
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