Model: M3786/2-AHMK

Rotary Switch

Properties:

Thread Class
2a single mounting facility
Thread Length
0.312 inches single mounting facility
Hazardous Locations/environmental Protection
Shock resistant and vibration resistant
Overall Length
4.125 inches
First Flat Length
0.250 inches 1st actuator0.250 inches 2nd actuator and 0.260 inches 2nd actuator
Flat Height
0.211 inches 1st actuator and 0.221 inches 1st actuator0.088 inches 2nd actuator and 0.098 inches 2nd actuator
Shaft Diameter
0.247 inches 1st actuator and 0.251 inches 1st actuator0.123 inches 2nd actuator and 0.126 inches 2nd actuator
Shaft Length
0.562 inches 1st actuator0.500 inches 2nd actuator
Overall Diameter
1.750 inches
Nonturn Device Radius
0.531 inches at 3: 00 o'clock
Individual Section Quantity
4
Nonturn Device Type
Tab at 3: 00 o'clock
Operating Tempurature Range
-65.0/+85.0 degrees celsius
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 each section front
Throw Quantity
12 each section rear
Mounting Method
Threaded bushing single mounting facility
Thread Size
0.375 inches single mounting facility
Contact Voltage Rating In Volts
28.0 dc at sea level300.0 highest ac voltage rating at sea level115.0 lowest ac voltage rating at sea level
Rotor Through Connection Quantity
1 each section
Switch Actuator Indexing Position Quantity
12 single actuator
Shaft Type
Round, flatted 1st actuatorround, flatted 2nd actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Breaks before makes each section rear
Switch Actuator Positioning Increment
30.0 degrees single actuator
Contact Load Current Rating
50.0 milliamperes inductive load dc at sea level and 500.0 milliamperes resistive load dc at sea level50.0 milliamperes resistive load highest ac voltage rating at sea level250.0 milliamperes resistive load lowest ac voltage rating at sea level
Style Designator
Circular wafer, bushing mount
Test Data Document
81349-mil-s-3786 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator
Unef single mounting facility
Specification Data
81349-mil-s-3786/2 government specification
NSN
5930-01-339-3243
Part Number
M3786/2-AHMK
Description
Switch,rotary
CAGE

A switch actuated by a definite angular rotation of the switch shaft about its axis. For items having rated actuation travel and pressure characteristics, see switch, sensitive. Excludes relay, rotary; switch, stepping; and switch, telephone (as modified).

Part M3786/2-AHMK NSN 5930-01-339-3243

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
02134
FIIG:
A052B0
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536509020
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, rotary, rated at not over 5 a, for a voltage not exceeding 1,000 v

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