Model: B1090-74

Rotary Switch

Properties:

Hazardous Locations/environmental Protection
Explosion proof
Overall Length
9.813 inches
Overall Height
4.750 inches
Overall Width
4.750 inches
Unthreaded Mounting Hole Diameter
0.410 inches single mounting facility
Individual Section Quantity
12
Knob Manufacturer Code
82121
Longest Horizontal Distance Between Mounting Centers
3.781 inches single mounting facility
Longest Vertical Distance Between Mounting Centers
3.781 inches single mounting facility
Switch Contact Basic Design
Nonpile-up nonsymmetrical
Mounting Method
Bracket single mounting facility and unthreaded hole single mounting facility
Features Provided
Actuator knob
Contact Voltage Rating In Volts
500.0 ac at sea level
Mounting Facility Pattern
Four position rectangular single mounting facility
Switch Actuator Indexing Position Quantity
2 single actuator
Terminal Type
Tab w/screw
Contact Switching Action
Makes before breaks each section front
Switch Actuator Positioning Increment
90.0 degrees single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
30.0 amperes resistive load ac at sea level
Style Designator
Tap, circuit selector
NSN
5930-00-122-1816
Part Number
B1090-74
Description
Switch,rotary
CAGE
02574

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 B1090-74 NSN 5930-00-122-1816

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:
--
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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