#M3900-LAA Bandswitch | Switches

M3900-LAA

Rotary Switch

NSN 5930-01-440-4114

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
014404114

Product Features

Weapon system essential

Detail Specifications

Thread Class:
2a single mounting facility
Thread Length:
0.312 inches single mounting facility
Overall Length:
1.416 inches
Overall Diameter:
0.750 inches
Individual Section Quantity:
1
End Application:
Radio terminal set, an/srq-4; spruance class dd (963); arleigh burke class ddg; oliver perry class ffg; ticonderoga class cg (47)
Switch Contact Basic Design:
Nonpile-up symmetrical
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
Switch Actuator Indexing Position Quantity:
2 single actuator
Criticality Code Justification:
Feat
Terminal Type:
Tab, solder lug
Contact Load Current Rating:
500.0 milliamperes resistive load ac at sea level
Contact Load Current Rating:
500.0 milliamperes resistive load dc at sea level
Style Designator:
Tap, circular, bushing mount
Test Data Document:
81349-mil-s-3786 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator:
Unef single mounting facility
Specification Data:
81349-mil-s-3786/39 government specification
NSN:
5930-01-440-4114
Item Name:
Bandswitch
Cage Code:
31946

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
M3786/39-LAA
Cage Code:
81349
RNCC:
2
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
MIL-DTL-3786/39
Cage Code:
81349
RNCC:
4
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
71MBS30-1-1-2N
Cage Code:
81073
RNCC:
5
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
MIL-S-3786/39
Cage Code:
81349
RNCC:
5
RNVC:
9
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Rotary Switches
------------ P/N M3900-LAA

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Last Updated: 04/01/2025