#198979A4 Master Disconnect Switch | Switches

198979A4

Rotary Switch

NSN 5930-00-402-3889

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
004023889

Detail Specifications

Thread Class:
2a single mounting facility
Thread Length:
0.250 inches single mounting facility
Overall Length:
2.188 inches
Overall Height:
1.000 inches
Overall Width:
0.938 inches
First Flat Length:
0.375 inches single actuator
Flat Height:
0.200 inches single actuator
Shaft Diameter:
0.250 inches single actuator
Shaft Length:
0.563 inches single actuator
Nonturn Device Radius:
0.375 inches at 3: 00 o'clock
Individual Section Quantity:
4
Nonturn Device Type:
Pin at 3: 00 o'clock
Switch Contact Basic Design:
Nonpile-up symmetrical
Pole Quantity:
2 each section rear
Throw Quantity:
5 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:
45.0 degrees from contact position 1 single actuator
Switch Actuator Indexing Position Quantity:
5 single actuator
Shaft Type:
Round, flatted single actuator
Terminal Type:
Tab, solder lug
Contact Switching Action:
Breaks before makes each section rear
Switch Actuator Positioning Increment:
30.0 degrees single actuator
Switch Actuator Stop Device Type:
Fixed stop single actuator
Contact Load Current Rating:
2.0 amperes resistive load dc at sea level
Contact Load Current Rating:
1.0 amperes resistive load ac at sea level
Precious Material And Location:
Contacts and rotors silver
Precious Material:
Silver
Style Designator:
Circular wafer, bushing mount
Thread Series Designator:
Unef single mounting facility
NSN:
5930-00-402-3889
Item Name:
Switch,master Disconnect
Cage Code:
76854

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
2578127
Cage Code:
07187
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Rotary Switches
------------ P/N 198979A4

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Last Updated: 01/25/2025