Model: 2-320-NAYSB253A

Rotary Switch

Properties:

Thread Class
2a 1st mounting facility
Thread Length
0.312 inches 1st mounting facility
Hazardous Locations/environmental Protection
Shock proof
Overall Length
3.875 inches
First Flat Length
0.280 inches 1st actuator
Flat Height
0.216 inches 1st actuator
Shaft Diameter
0.125 inches 2nd actuator
Shaft Diameter
0.250 inches 1st actuator
Shaft Length
0.562 inches 1st actuator
Shaft Length
1.000 inches 2nd actuator
Overall Diameter
1.188 inches
Unthreaded Mounting Hole Diameter
0.136 inches 2nd mounting facility
Individual Section Quantity
1
Nonturn Device Type
Flatted bushing at 3: 00 o'clock
Longest Horizontal Distance Between Mounting Centers
1.718 inches 2nd mounting facility
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 single section front
Pole Quantity
1 single section rear
Throw Quantity
5 single section rear
Throw Quantity
5 single section front
Mounting Method
Bracket 2nd mounting facility and unthreaded hole 2nd mounting facility
Features Provided
Variable resistor
Thread Size
0.375 inches 1st mounting facility
Contact Voltage Rating In Volts
115.0 ac at sea level
Contact Voltage Rating In Volts
115.0 ac at altitude
Contact Voltage Rating In Volts
28.0 dc at sea level
Rotor Through Connection Quantity
1 single section
Mounting Facility Pattern
Two position in-line 2nd mounting facility
Switch Actuator Indexing Position Quantity
5 1st actuator
Shaft Type
Round 2nd actuator
Shaft Type
Round, hollowed, flatted 1st actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Makes before breaks single section front
Contact Switching Action
Makes before breaks single section rear
Switch Actuator Positioning Increment
30.0 degrees 1st actuator
Detent Rotational Torque Range
+14.000/+26.000 inch-ounces 1st actuator
Detent Rotational Torque Range
+2.000/+13.000 inch-ounces 2nd actuator
Switch Actuator Stop Device Type
Fixed stop all actuators
Contact Load Current Rating
100.0 milliamperes resistive load ac at sea level
Contact Load Current Rating
200.0 milliamperes resistive load dc at sea level and 20.0 milliamperes inductive load dc at sea level
Contact Load Current Rating
50.0 milliamperes resistive load ac at altitude
Precious Material And Location
Contact and terminal surfaces gold
Precious Material
Gold
Style Designator
Circular wafer, bushing mount
Thread Series Designator
Unef 1st mounting facility
NSN
5930-01-092-1436
Part Number
2-320-NAYSB253A
Description
Switch,rotary
CAGE
71450

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 2-320-NAYSB253A NSN 5930-01-092-1436

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:
G
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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