Model: 4121-4MLW4

Rotary Switch

Special Features:

Insulated stationary contact quantity-1 contact second section; 2 contacts fourth section; section 1 rear has 1 dummy terminal; section 3 front has 1 dummy terminal; section 3 rear is blank w/1 dummy terminal

Properties:

Thread Length
0.375 inches single mounting facility
Overall Length
4.250 inches
Overall Height
1.562 inches
Overall Width
1.312 inches
Shaft Diameter
0.250 inches single actuator
Shaft Length
0.875 inches single actuator
Individual Section Quantity
4
Switch Contact Basic Design
Nonpile-up symmetrical and nonpile-up nonsymmetrical
Pole Quantity
1 1st section front
Pole Quantity
1 1st section rear
Pole Quantity
1 2nd section rear
Pole Quantity
1 3rd section front
Throw Quantity
5 1st section front
Throw Quantity
5 1st section rear
Throw Quantity
5 2nd section rear
Throw Quantity
5 3rd section front
Mounting Method
Threaded bushing single mounting facility
Thread Size
0.375 inches single mounting facility
Switch Actuator Indexing Position Quantity
6 single actuator
Shaft Type
Round single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Makes before breaks 1st section rear
Contact Switching Action
Makes before breaks 1st section front
Contact Switching Action
Makes before breaks 2nd section front
Contact Switching Action
Makes before breaks 2nd section rear
Contact Switching Action
Makes before breaks 3rd section front
Contact Switching Action
Makes before breaks 4th section front
Contact Switching Action
Makes before breaks 4th section rear
Switch Actuator Positioning Increment
30.0 degrees single actuator
Thread Series Designator
Unef single mounting facility
NSN
5930-00-548-3661
Part Number
4121-4MLW4
Description
Switch,rotary
CAGE
82104

Part 4121-4MLW4 NSN 5930-00-548-3661

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
02134
FIIG:
A052B0
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
77.5
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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