Model: SW-291

Rotary Switch

Properties:

Thread Class
2a 1st mounting facility
Thread Class
2a 2nd mounting facility
Thread Length
0.250 inches 2nd mounting facility
Thread Length
0.500 inches 1st mounting facility
Overall Length
13.906 inches
Overall Height
1.312 inches
Overall Width
1.250 inches
First Flat Length
0.375 inches single actuator
Flat Height
0.218 inches single actuator
Shaft Diameter
0.250 inches single actuator
Shaft Length
1.000 inches single actuator
Nonturn Device Radius
0.531 inches at 3: 00 o'clock
Individual Section Quantity
9
Nonturn Device Type
Tab at 3: 00 o'clock
Longest Horizontal Distance Between Mounting Centers
1.250 inches 2nd mounting facility
Switch Contact Basic Design
Nonpile-up symmetrical and nonpile-up nonsymmetrical
Pole Quantity
1 1st section front
Pole Quantity
1 8th section front
Pole Quantity
1 9th section front
Throw Quantity
10 8th section front
Throw Quantity
10 9th section front
Throw Quantity
10 1st section front
Mounting Method
Threaded bushing 1st mounting facility
Mounting Method
Threaded stud 2nd mounting facility
Thready Qty Per Inch (tpi)
32 1st mounting facility
Thready Qty Per Inch (tpi)
40 2nd mounting facility
Thread Size
0.112 inches 2nd mounting facility
Thread Size
0.375 inches 1st 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
90.0 degrees from nonturn device single actuator
Mounting Facility Pattern
Two position in-line 2nd mounting facility
Switch Actuator Indexing Position Quantity
12 single actuator
Shaft Type
Round, flatted single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Breaks before makes 1st section front
Contact Switching Action
Breaks before makes 8th section front
Contact Switching Action
Breaks before makes 9th section front
Contact Switching Action
Makes before breaks 3rd section front
Contact Switching Action
Makes before breaks 3rd section rear
Contact Switching Action
Makes before breaks 5th section front
Contact Switching Action
Makes before breaks 5th section rear
Contact Switching Action
Makes before breaks 7th section front
Contact Switching Action
Makes before breaks 7th section rear
Switch Actuator Positioning Increment
30.0 degrees single actuator
Switch Actuator Stop Device Type
Adjustable 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 blade surfaces silver
Precious Material
Silver
Style Designator
Circular wafer, bushing mount
Thread Series Designator
Unc 2nd mounting facility
Thread Series Designator
Unef 1st mounting facility
NSN
5930-00-992-4728
Part Number
SW-291
Description
Switch,rotary
CAGE
82679

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 SW-291 NSN 5930-00-992-4728

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:
723
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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