Model: 1900-1-B8

Rotary Switch

Properties:

Thread Class
2a single mounting facility
Thread Length
0.430 inches single mounting facility
Hazardous Locations/environmental Protection
Explosion proof
Overall Length
1.770 inches
First Flat Length
0.250 inches single actuator
Flat Height
0.207 inches single actuator and 0.213 inches single actuator
Shaft Diameter
0.248 inches single actuator and 0.252 inches single actuator
Shaft Length
0.370 inches single actuator
Overall Diameter
1.100 inches
Individual Section Quantity
1
Nonturn Device Type
Flatted bushing at 10: 30 o'clock
Operating Tempurature Range
-65.0/+85.0 degrees celsius
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 single section front
Throw Quantity
8 single section rear
Mounting Method
Threaded bushing single mounting facility
Features Provided
Metallic inclosure
Thread Size
0.375 inches single mounting facility
Contact Voltage Rating In Volts
115.0 ac at sea level28.0 dc at sea level
Switch Actuator Indexing Position Quantity
8 single actuator
Shaft Type
Round, flatted single actuator
Terminal Type
Screw
Contact Switching Action
Breaks before makes single section rear
Switch Actuator Positioning Increment
36.0 degrees single actuator
Contact Load Current Rating
5.0 amperes resistive load ac at sea level2.0 amperes inductive load dc at sea level and 3.0 amperes resistive load dc at sea level
Style Designator
Tap, circular, bushing mount
Thread Series Designator
Unef single mounting facility
NSN
5930-00-472-6368
Part Number
1900-1-B8
Description
Switch,rotary
CAGE
91812

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 1900-1-B8 NSN 5930-00-472-6368

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:
SPI No.:
SPI Rev.:
SPC Mkg:
99
LVL_A:
E
LVL_B:
Q

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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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