Model: B3221-12

Rotary Switch

Properties:

Thread Class
2a single mounting facility
Thread Length
0.375 inches single mounting facility
Overall Length
Between 1.561 inches and 1.625 inches
First Flat Length
0.015 inches single actuator and 0.047 inches single actuator
Shaft Diameter
0.247 inches single actuator and 0.251 inches single actuator
Shaft Length
0.359 inches single actuator and 0.391 inches single actuator
Overall Diameter
Between 1.234 inches and 1.266 inches
Individual Section Quantity
1
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
4 single section front
Throw Quantity
3 single section front
Mounting Method
Threaded bushing single mounting facility
Thread Size
0.375 inches single mounting facility
Contact Voltage Rating In Volts
300.0 ac at sea level
Contact Voltage Rating In Volts
300.0 dc at sea level
Switch Actuator Indexing Position Quantity
3 single actuator
Shaft Type
Round, nonparallel flatted single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Breaks before makes single section front
Switch Actuator Positioning Increment
90.0 degrees single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
700.0 milliamperes resistive load dc at sea level
Contact Load Current Rating
750.0 milliamperes resistive load ac at sea level
Precious Material And Location
Contacts silver
Precious Material
Silver
Style Designator
Tap, circular, bushing mount
Thread Series Designator
Unef single mounting facility
NSN
5930-00-327-7543
Part Number
B3221-12
Description
Switch,rotary
CAGE
55631

A switch actuated by a definite angular rotation of the switch shaft about its axis. For items having rated actuation travel and pressure characteristics, see switch, sensitive. Excludes relay, rotary; switch, stepping; and switch, telephone (as modified).

Part B3221-12 NSN 5930-00-327-7543

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:
S
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536509020
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, rotary, rated at not over 5 a, for a voltage not exceeding 1,000 v

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