Model: 644-000-050

Rotary Switch

Properties:

Thread Class
2a single mounting facility
Thread Length
0.250 inches 1st mounting facility
Overall Length
7.532 inches
First Flat Length
0.531 inches single actuator
Flat Height
0.218 inches single actuator
Shaft Diameter
0.250 inches single actuator
Shaft Length
0.594 inches single actuator
Nonturn Device Radius
0.531 inches at 3: 00 o'clock
Individual Section Quantity
4
Nonturn Device Type
Tab at 3: 00 o'clock
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 1st section front
Pole Quantity
1 2nd section rear
Pole Quantity
1 3rd section front
Pole Quantity
1 4th section front
Throw Quantity
1 1st section rear
Throw Quantity
1 2nd section front
Throw Quantity
1 3rd section rear
Throw Quantity
6 1st section front
Throw Quantity
6 2nd section rear
Throw Quantity
6 3rd section front
Throw Quantity
6 4th section front
Mounting Method
Bracket 2nd mounting facility
Mounting Method
Threaded bushing 1st mounting facility
Thready Qty Per Inch (tpi)
32 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
Rotor Through Connection Quantity
1 1st section
Rotor Through Connection Quantity
1 2nd section
Rotor Through Connection Quantity
1 3rd section
Switch Actuator Indexing Position Quantity
4 single actuator
Shaft Type
Round, flatted single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Makes before breaks 1st section rear
Contact Switching Action
Makes before breaks 2nd section rear
Contact Switching Action
Makes before breaks 3rd section rear
Contact Switching Action
Makes before breaks each section front
Switch Actuator Positioning Increment
30.0 degrees single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
1.0 amperes resistive load dc at sea level
Contact Load Current Rating
500.0 milliamperes resistive load ac at sea level
Precious Material And Location
Contacts and rotor surfaces silver
Precious Material
Silver
Style Designator
Circular wafer, bushing mount
Thread Series Designator
Unef single mounting facility
NSN
5930-00-987-1892
Part Number
644-000-050
Description
Switch,rotary
CAGE
55901

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 644-000-050 NSN 5930-00-987-1892

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:
--
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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