Model: B556

Rotary Switch

Properties:

Thread Length
0.250 inches single mounting facility
Width Between Flats
0.187 inches single actuator
First Flat Length
0.234 inches single actuator
Shaft Diameter
0.250 inches single actuator
Shaft Length
0.688 inches single actuator
Individual Section Quantity
2
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
4 each section rear
Throw Quantity
2 each section rear
Mounting Method
Threaded bushing single mounting facility
Thread Size
0.375 inches single mounting facility
Switch Actuator Indexing Position Quantity
3 single actuator
Shaft Type
Round, parallel flatted, threaded hole single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Makes before breaks each section rear
Switch Actuator Positioning Increment
30.0 degrees single actuator
Thread Series Designator
Unef single mounting facility
NSN
5930-00-538-6670
Part Number
B556
Description
Switch,rotary
CAGE
00531

Part B556 NSN 5930-00-538-6670

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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