#51-1921M2-2N Band Switch | Switches

51-1921M2-2N

Rotary Switch

NSN 5930-00-146-4677

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
001464677

Detail Specifications

Thread Class:
2a single mounting facility
Thread Length:
0.437 inches single mounting facility
Hazardous Locations/environmental Protection:
Explosion proof
Overall Length:
2.245 inches
First Flat Length:
0.250 inches single actuator
Flat Height:
0.216 inches single actuator
Shaft Diameter:
0.250 inches single actuator
Shaft Length:
0.437 inches single actuator
Overall Diameter:
Between 1.000 inches and 1.306 inches
Nonturn Device Radius:
0.375 inches at 3: 00 o'clock
Individual Section Quantity:
2
Nonturn Device Type:
Tab at 3: 00 o'clock
Operating Tempurature Range:
-65.0/+125.0 degrees celsius
Operating Tempurature Range:
-65.0 to 125.0 degrees celsius
Switch Contact Basic Design:
Nonpile-up symmetrical
Pole Quantity:
1 each section front
Throw Quantity:
2 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:
195.0 degrees from nonturn device single actuator
Rotor Through Connection Quantity:
1 each section
Switch Actuator Indexing Position Quantity:
2 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:
90.0 degrees single actuator
Detent Rotational Torque Range:
+0.500/+2.500 inch-pounds single actuator
Detent Rotational Torque Range:
+0.500 to 2.500 inch-pounds single actuator
Switch Actuator Stop Device Type:
Fixed stop single actuator
Contact Load Current Rating:
250.0 milliamperes resistive load dc at sea level and 100.0 milliamperes inductive load dc at sea level
Contact Load Current Rating:
75.0 milliamperes resistive load ac 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-3786/4 government specification
NSN:
5930-00-146-4677
Item Name:
Band Switch
Cage Code:
91812

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
M3786/4-4149
Cage Code:
81349
RNCC:
2
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
MIL-DTL-3786/4
Cage Code:
81349
RNCC:
4
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
44A90-02-1-2N
Cage Code:
81073
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
1-1966-2B2
Cage Code:
91812
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
1-1966M2-2N
Cage Code:
91812
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
51-1921-2B2
Cage Code:
91812
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
44M90-02-1-2N
Cage Code:
99048
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
44H90-02-1-2N
Cage Code:
81073
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
4M90E1-2N2
Cage Code:
91812
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
59541149D
Cage Code:
K1182
RNCC:
5
RNVC:
2
RNAAC:
ZK
Status:
A
MSDS:
SADC:
Part Number:
MIL-S-3786/4
Cage Code:
81349
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Rotary Switches
------------ P/N 51-1921M2-2N

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Last Updated: 10/31/2024