Part identity

R521

Resistor Fixed Wire Wound Induct

Thornton Fuller Co

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

Part description

Resistor Fixed Wire Wound Induct

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
R521
Item name
Resistor Fixed Wire Wound Induct
Manufacturer code
01854
Manufacturer
Thornton Fuller Co

Certifications & documentation

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

Manufacturer

Thornton Fuller Co

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

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NSN Information for Part Number R521 with NSN 5905-00-974-7875, 5905009747875

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5905009747875

Item Description:

Resistor Fixed Wire Wound Induct

59050097478750NA
CIICHCCESDPMICCriticalityENAC
UAU
Part NumberISCRNVCRNCCHCCMSDSSADC
R521C95

Characteristics Data of NSN 5905-00-974-7875, 5905009747875

MRCCriteriaCharacteristic
AAPETEMP COEFFICIENT OF RESISTANCE IN PPM PER DEG CELSIUS-50.0/+50.0
AAPPIII ELECTRICAL RESISTANCE1.000 KILOHMS
AAPQRESISTANCE TOLERANCE IN PERCENT-1.000/+1.000
AAQFAMBIENT TEMP IN DEG CELSIUS AT FULL RATED POWER55.0
AAQGAMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER125.0
AAQHTEMP RANGE OF TEMP COEFFICIENT IN DEG CELSIUS-55.0/+125.0
AAQZINCLOSURE METHODENCAPSULATED
AARBTERMINAL TYPEPIN
AARGRELIABILITY INDICATORESTABLISHED
AARHRELIABILITY FAILURE RATE LEVEL IN PERCENT0.001
ABJTTERMINAL LENGTH1.250 INCHES MINIMUM
ADAQBODY LENGTH0.295 INCHES NOMINAL
ADATBODY WIDTH0.300 INCHES NOMINAL
ADAUBODY HEIGHT0.100 INCHES NOMINAL
AEFBPOWER DISSIPATION RATING IN WATTS0.150 FREE AIR
AFWWTERMINAL WIDTH0.220 INCHES NOMINAL
STYLSTYLE DESIGNATORTERMINALS ONE EDGE
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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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