Model: 721845-20

Rotary Switch
Description:

2a single mounting facility thread class, 0.365 inches single mounting facility thread length, 3.970 inches overall length, 1.030 inches overall height.

Properties:

Thread Class
2a single mounting facility
Thread Length
0.365 inches single mounting facility and 0.385 inches single mounting facility
Overall Length
3.970 inches
Overall Height
1.030 inches
Overall Width
0.980 inches
First Flat Length
0.350 inches single actuator and 0.410 inches single actuator
Flat Height
0.211 inches single actuator and 0.221 inches single actuator
Shaft Diameter
0.248 inches single actuator and 0.251 inches single actuator
Shaft Length
1.350 inches single actuator and 1.410 inches single actuator
Nonturn Device Radius
0.375 inches at 3: 00 o'clock
Individual Section Quantity
5
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 and nonpile-up nonsymmetrical
Pole Quantity
1 1st section rear
Pole Quantity
1 2nd section rear
Pole Quantity
1 3rd section rear
Pole Quantity
1 4th section rear
Throw Quantity
10 each section rear
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
315.0 degrees from nonturn device single actuator
Switch Actuator Indexing Position Quantity
10 single actuator
Shaft Type
Round, flatted single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Breaks before makes 1st section rear
Contact Switching Action
Breaks before makes 3rd section rear
Contact Switching Action
Breaks before makes 4th section rear
Contact Switching Action
Breaks before makes 2nd section rear
Switch Actuator Positioning Increment
30.0 degrees single actuator
Detent Rotational Torque Range
+12.000/+64.000 inch-ounces single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
100.0 milliamperes resistive load ac at sea level
Contact Load Current Rating
200.0 milliamperes resistive load dc at sea level and 20.0 milliamperes inductive load dc at sea level
Style Designator
Circular wafer, bushing mount
Test Data Document
81349-mils3786 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
NSN
5930-00-009-2945
Part Number
721845-20
Description
Switch,rotary
CAGE
05869

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 721845-20 NSN 5930-00-009-2945

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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: 8536509025
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

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

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