Model: 521AA

Push Switch

Special Features:

Pipe tap on top and bottom of case marked hoist and lower on front of case

Properties:

Body Style
Hole mount
Hazardous Locations/environmental Protection
Waterproof
Center To Center Distance Between Mounting Facilities Parallel To Width
3.000 inches
Overall Height
3.840 inches
Overall Width
3.750 inches
Body Width
3.750 inches
Body Height
6.875 inches
Center To Center Distance Between Mounting Facilities Parallel To Height
5.500 inches
Switch Actuator Quantity
2
Actuator Style
Round, flush
Actuator Inscription
Lower 2nd actuator
Actuator Inscription
Moist 1st actuator
Maximum Voltage Rating In Volts
500.0 ac
Inclosure Type
Fully enclosed
Mounting Method
Unthreaded hole
Features Provided
Actuator seal
Nonpile-up Contact Arrangement
2 two circuit, double break/double make, both positions maintained single switch unit
Contact Load Current Rating At Maximum Rated Voltage
5.000 amperes resistive ac
Terminal Type And Quantity
8 screw
NSN
5930-00-201-4722
Part Number
521AA
Description
Switch,push
CAGE
3B150

A switch that is externally actuated by a device such as a push rod or button, which requires pushing for each actuation. The action may be momentary, with mechanical return. The actuating device may or may not be an integral part of the switch. The item may include provisions for mounting indicating lamp(s) or light emitting diode(s) in the actuator. Includes items consisting of individually separable switches that are physically interlocked, that have a common actuator, or are electrically connected. Excludes light-switch; light-switch assembly; switch, beam selecting, headlight; switch, foot; switch, interlock; switch, pressure; switch, push-pull; switch, sensitive and switch assembly. For devices which start, stop, reverse, select and/or regulate the speed of a motor, see starter, motor and controller, motor.

Part 521AA NSN 5930-00-201-4722

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00406
FIIG:
A053A0
Concept No.:
App. Key:
P
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:
3.0000lbs
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: 8536509035
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

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

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