#3AT78-2A Warning Light Switch Assembly | Switches

3AT78-2A

Sensitive Switch

NSN 5930-00-548-1821

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
005481821

Product Features

Weapon system essential

Product Technical Spec.

Body Style:
Hole mounted
Overall Length:
1.380 inches
Center To Center Distance Between Mounting Facilities Parallel To Length:
1.000 inches
Overall Height:
1.237 inches
Overall Width:
0.390 inches
Body Length:
1.380 inches
Body Width:
0.390 inches
Body Height:
0.805 inches
Case Material:
Metal
Unthreaded Mounting Hole Diameter:
0.142 inches
Actuator Length:
0.370 inches
Actuator Style:
Roller arm
Actuator Free Position Height:
0.687 inches
Actuator Roller Diameter:
0.211 inches
Actuator Roller Width:
0.156 inches
Maximum Voltage Rating In Volts:
28.0 dc
End Application:
Aircraft, eagle f-15
Inclosure Type:
Fully enclosed
Mounting Method:
Unthreaded hole
Features Provided:
Actuator seal
Nonpile-up Contact Arrangement:
1 pole, double throw, one position momentary single switch unit
Switch Release Force:
12.0 ounces
Criticality Code Justification:
Feat
Switch Actuating Force:
48.0 ounces
Actuator Movement:
Between 0.040 pretravel inches and 0.075 overtravel inches and 0.030 differential inches
Contact Load Current Rating At Maximum Rated Voltage:
2.000 amperes resistive dc and 1.000 amperes inductive dc and 1.000 amperes lamp dc
Terminal Type And Quantity:
3 wire lead
NSN:
5930-00-548-1821
Item Name:
Warning Light Switch Assembly
Cage Code:
82647

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
ST5M1422-006A
Cage Code:
76301
RNCC:
7
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
3AT78-2
Cage Code:
82647
RNCC:
5
RNVC:
9
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST5M1422-006
Cage Code:
76301
RNCC:
5
RNVC:
9
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

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Pricing & Availability

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Sensitive Switches
------------ P/N 3AT78-2A

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Last Updated: 02/23/2025