Model: 218551H3C

Rotary Switch

Special Features:

Dummy terminals on section three

Properties:

Thread Class
2a single mounting facility
Thread Length
0.370 inches single mounting facility and 0.380 inches single mounting facility
Width Between Flats
0.092 inches single actuator
Overall Length
Between 4.563 inches and 4.813 inches
Overall Height
Between 1.859 inches and 1.891 inches
Overall Width
Between 1.359 inches and 1.391 inches
First Flat Length
0.184 inches single actuator
Shaft Diameter
0.250 inches single actuator
Shaft Length
0.688 inches single actuator
Nonturn Device Radius
0.521 inches at 3: 00 o'clock
Individual Section Quantity
3
Nonturn Device Type
Tab at 3: 00 o'clock
Operating Tempurature Range
-25.0/+85.0 degrees celsius
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 1st section rear
Pole Quantity
1 2nd section front
Pole Quantity
1 2nd section rear
Throw Quantity
2 1st section rear
Throw Quantity
2 2nd section rear
Throw Quantity
8 2nd section front
Mounting Method
Threaded bushing single mounting facility
Thread Size
0.375 inches single mounting facility
Contact Voltage Rating In Volts
110.0 ac at sea level
Contact Voltage Rating In Volts
28.0 dc at sea level
Shaft Flat/slot Angular Location
45.0 degrees from nonturn device single actuator
Switch Actuator Indexing Position Quantity
12 single actuator
Shaft Type
Round, parallel flatted single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Breaks before makes 1st section rear
Contact Switching Action
Breaks before makes 2nd section front
Contact Switching Action
Breaks before makes 2nd section rear
Switch Actuator Positioning Increment
30.0 degrees single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
2.0 amperes resistive load dc at sea level
Contact Load Current Rating
1.0 amperes resistive load ac at sea level
Precious Material And Location
Contacts and terminals silver
Precious Material
Silver
Style Designator
Circular wafer, bushing mount
Thread Series Designator
Unef single mounting facility
NSN
5930-00-738-6675
Part Number
218551H3C
Description
Switch,rotary
CAGE
76854

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 218551H3C NSN 5930-00-738-6675

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:
S
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.4000lbs
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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