Model: 28-1912

Rotary Switch

Properties:

Thread Class
2a single mounting facility
Thread Length
0.399 inches single mounting facility and 0.461 inches single mounting facility
Hazardous Locations/environmental Protection
Dustproof
Overall Length
Between 2.959 inches and 3.021 inches
First Flat Length
0.240 inches single actuator and 0.260 inches single actuator
Flat Height
0.205 inches single actuator and 0.215 inches single actuator
Shaft Diameter
0.219 inches single actuator and 0.281 inches single actuator
Shaft Length
0.779 inches single actuator and 0.841 inches single actuator
Overall Diameter
Between 1.005 inches and 1.036 inches
Individual Section Quantity
3
Nonturn Device Type
Slotted bushing at 3: 00 o'clock
Operating Tempurature Range
-54.0 to 71.0 degrees celsius
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 each section front
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
115.0 ac at sea level
Contact Voltage Rating In Volts
28.0 dc at sea level
Shaft Flat/slot Angular Location
135.0 degrees from nonturn device single actuator
Rotor Through Connection Quantity
1 each section
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 each section front
Contact Switching Action
Breaks before makes each section rear
Switch Actuator Positioning Increment
36.0 degrees single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
3.0 amperes resistive load dc at sea level
Contact Load Current Rating
5.0 amperes resistive load ac at sea level
Style Designator
Circular wafer, bushing mount
Thread Series Designator
Unef single mounting facility
NSN
5930-00-079-6355
Part Number
28-1912
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 28-1912 NSN 5930-00-079-6355

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:
658
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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