#138963-DH1C Rack Assembly Firing Switch | Switches

138963-DH1C

Rotary Switch

NSN 5930-00-253-3964

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002533964

Detail Specifications

Thread Class:
2a single mounting facility
Thread Length:
0.375 inches single mounting facility
Overall Length:
1.875 inches
Overall Height:
1.563 inches
Overall Width:
1.516 inches
First Flat Length:
0.375 inches single actuator
Flat Height:
0.187 inches single actuator
Shaft Diameter:
0.248 inches single actuator and 0.251 inches single actuator
Shaft Length:
0.375 inches single actuator
Nonturn Device Radius:
0.531 inches at 10: 30 o'clock
Individual Section Quantity:
1
Nonturn Device Type:
Tab at 10: 30 o'clock
Switch Contact Basic Design:
Nonpile-up symmetrical
Pole Quantity:
2 single section front
Throw Quantity:
3 single section front
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:
15.0 degrees from nonturn device single actuator
Switch Actuator Indexing Position Quantity:
3 single actuator
Shaft Type:
Round, flatted single actuator
Terminal Type:
Clip
Contact Switching Action:
Breaks before makes single section front
Switch Actuator Positioning Increment:
30.0 degrees single actuator
Switch Actuator Stop Device Type:
Fixed 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:
Clips and rotor blade surfaces silver
Precious Material:
Silver
Style Designator:
Circular wafer, bushing mount
Thread Series Designator:
Unef single mounting facility
NSN:
5930-00-253-3964
Item Name:
Switch,firing,rack Assembly
Cage Code:
76854

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
1798-1266
Cage Code:
3B150
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
38963-DH1C
Cage Code:
76854
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
1798-1266
Cage Code:
49956
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
1798-1266
Cage Code:
54X10
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Rotary Switches
------------ P/N 138963-DH1C

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Last Updated: 02/13/2025