Part identity

0N520521

Mounting Method: Threaded bushing Overall Length: 1.400 inches maximum Nonpile-up Contact Arrangement: 1 two circuit, double break/double make, one position momentary single switch unit

Otto Engineering Inc

Avg quote: 14 minFulfilled from Anaheim, CAAS9120:2025 · ISO 9001 · FAA AC 00-56BC of C, lot & date code with every line

Part description

Mounting Method: Threaded bushing Overall Length: 1.400 inches maximum Nonpile-up Contact Arrangement: 1 two circuit, double break/double make, one position momentary single switch unit

ASAP supports this specific part for replacement, spare-pool replenishment, retrofit, and urgent maintenance requirements. Quote requests can include alternate MPN, condition preferences, certification needs, and plant-specific receiving instructions so procurement gets a clear sourcing response before purchase.

Specifications

MPN
0N520521
Item name
Mounting Method: Threaded bushing Overall Length: 1.400 inches maximum Nonpile-up Contact Arrangement: 1 two circuit, double break/double make, one position momentary single switch unit
Manufacturer code
21649
Manufacturer
Otto Engineering Inc

Certifications & documentation

  • UL Recognized
  • CE
  • C of C available on request
OE

Manufacturer

Otto Engineering Inc

Authorized-distributor or qualified-aftermarket source. Parts shipped from this manufacturer include full traceability paperwork and counterfeit-mitigation per SAE AS6081.

View manufacturer profile →

NSN Information for Part Number 0N520521 with NSN 5930-01-190-5173, 5930011905173

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5930011905173

Item Description:

Switch Push

59300119051730P
CIICHCCESDPMICCriticalityENAC
U A
Part NumberISCRNVCRNCCHCCMSDSSADC
0n520521025

Characteristics Data of NSN 5930-01-190-5173, 5930011905173

MRCCriteriaCharacteristic
AAQLBODY STYLEBUSHING MOUNTED
ABHPOVERALL LENGTH1.400 INCHES MAXIMUM
ABKWOVERALL HEIGHT0.900 INCHES MAXIMUM
ABMKOVERALL WIDTH0.900 INCHES MAXIMUM
ABPMBODY DIAMETER0.562 INCHES NOMINAL
ABXDBUSHING LENGTH0.312 INCHES NOMINAL
ADAQBODY LENGTH0.495 INCHES NOMINAL
ADTVCASE MATERIALMETAL
AFURACTUATOR DIAMETER0.375 INCHES NOMINAL
AFUSACTUATOR HEIGHT0.250 INCHES NOMINAL
AFVAACTUATOR COLORRED SINGLE ACTUATOR
AFXEMAXIMUM VOLTAGE RATING IN VOLTS115.0 AC AND 28.0 DC
AKNAINCLOSURE TYPEFULLY INCLOSED
AXGYMOUNTING METHODTHREADED BUSHING
CMLPTHREAD QUANTITY PER INCH24
CQJXNOMINAL THREAD SIZE0.625 INCHES
CRLDNONPILE-UP CONTACT ARRANGEMENT1 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
CXQRCONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE10.000 AMPERES RESISTIVE DC AND 10.000 AMPERES RESISTIVE AC
FEATSPECIAL FEATURESADDED TERMINAL CONFIGURATION CONTROL
THSDTHREAD SERIES DESIGNATORUNEF
TTQYTERMINAL TYPE AND QUANTITY4 TAB W/SCREW
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Certifications

  • AS9120:2025
  • ISO 9001:2015
  • FAA AC 00-56B
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USA fulfillment. Every order shipped from our Anaheim, California operations. Counterfeit-mitigation aligned to SAE AS5553 / AS6081.

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