Model: M3786/20-351T

Rotary Switch

Properties:

Thread Class
2a 2nd mounting facility
Thread Length
0.230 inches 2nd mounting facility and 0.255 inches 2nd mounting facility
Hazardous Locations/environmental Protection
Explosion proof
Overall Length
Between 1.318 inches and 1.358 inches
First Flat Length
0.235 inches single actuator and 0.265 inches single actuator
Flat Height
0.093 inches single actuator
Shaft Diameter
0.123 inches single actuator and 0.126 inches single actuator
Shaft Length
0.375 inches single actuator
Overall Diameter
0.520 inches
Individual Section Quantity
1
Nonturn Device Type
Flatted bushing at 9: 30 o'clock
Operating Tempurature Range
-65.0/+85.0 degrees celsius
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
2 single section front
Throw Quantity
3 single section rear
Mounting Method
Printed circuit 1st mounting facilitythreaded bushing 2nd mounting facility
Features Provided
Metallic inclosure
Thread Size
0.250 inches 2nd mounting facility
Contact Voltage Rating In Volts
115.0 ac at sea level28.0 dc at sea level
Switch Actuator Indexing Position Quantity
3 single actuator
Shaft Type
Round, flatted single actuator
Terminal Type
Printed circuit
Contact Switching Action
Breaks before makes single section rear
Switch Actuator Positioning Increment
45.0 degrees single actuator
Detent Rotational Torque Range
+0.500/+1.500 inch-pounds single actuator
Contact Load Current Rating
150.0 milliamperes resistive load ac at sea level30.0 milliamperes inductive load dc at sea level and 100.0 milliamperes lamp load dc at sea level and 200.0 milliamperes resistive load dc at sea level
Style Designator
Tap, circular, 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
Unf 2nd mounting facility
Specification Data
81349-mil-s-3786/20 government specification
NSN
5930-01-342-3934
Part Number
M3786/20-351T
Description
Switch,rotary
CAGE
81349

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 M3786/20-351T NSN 5930-01-342-3934

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

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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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