Model: 121612LB

Rotary Switch

Properties:

Thread Class
2b 2nd mounting facility
Overall Length
6.375 inches
Overall Height
4.375 inches
Overall Width
2.916 inches
Unthreaded Mounting Hole Diameter
0.312 inches 1st mounting facility and 0.317 inches 1st mounting facility
Distance Between Mounting Facility Centers
3.812 inches 1st mounting facility
Individual Section Quantity
12
Knob Manufacturer Code
82121
Longest Horizontal Distance Between Mounting Centers
3.219 inches 2nd mounting facility
Longest Vertical Distance Between Mounting Centers
3.219 inches 2nd mounting facility
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 single section front
Throw Quantity
2 single section front
Mounting Method
Threaded hole 2nd mounting facility and bracket 2nd mounting facility
Mounting Method
Unthreaded hole 1st mounting facility and bracket 1st mounting facility
Features Provided
Actuator knob and metallic inclosure
Thready Qty Per Inch (tpi)
20 2nd mounting facility
Thread Size
0.250 inches 2nd mounting facility
Contact Voltage Rating In Volts
125.0 ac at sea level
Mounting Facility Pattern
Four position rectangular 2nd mounting facility
Mounting Facility Pattern
Two position in-line 1st mounting facility
Switch Actuator Indexing Position Quantity
12 single actuator
Terminal Type
Tab w/screw
Contact Switching Action
Breaks before makes single section front
Switch Actuator Positioning Increment
90.0 degrees single actuator
Contact Load Current Rating
10.0 amperes resistive load ac at sea level
Style Designator
Tap, circuit selector
Thread Series Designator
Unc 2nd mounting facility
NSN
5930-00-636-4960
Part Number
121612LB
Description
Switch,rotary
CAGE
82121

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 121612LB NSN 5930-00-636-4960

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

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:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536509025
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

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

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