Part identity

1535-1

Valve Safety Relief

Richards R W 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

Valve Safety Relief

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
1535-1
Item name
Valve Safety Relief
Manufacturer code
03352
Manufacturer
Richards R W Co

Certifications & documentation

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

Manufacturer

Richards R W 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 1535-1 with NSN 4820-00-814-1957, 4820008141957

NSNFSCNIINCLSHazmatDEMILCancelled NSN
4820008141957

Item Description:

VALVE,SAFETY RELIEF

4820008141957N
CIICHCCESDPMICCriticalityENAC
Part NumberISCRNVCRNCCHCCMSDSSADC
1535-1213

Characteristics Data of NSN 4820-00-814-1957, 4820008141957

MRCCriteriaCharacteristic
AAARNOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES ALL ENDS
AAJFTHREAD DIRECTIONRIGHT-HAND ALL ENDS
ADQUFLOW CONTROL DEVICEDISK
ADSRBONNET TYPEINSIDE SPRING
ADSTBONNET ATTACHMENT METHODTHREADED
ADSUDISK LOADING METHODSPRING
ADSYVALVE DISCHARGE FLOW RATE314.0 GALLONS PER MINUTE
AEHZMAXIMUM OPERATING TEMP200.0 DEG FAHRENHEIT SINGLE RESPONSE
AHNCCONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
AQLRVALVE OPERATION METHODAUTOMATIC
AWLSCONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
CBBLFEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
CMLPTHREAD QUANTITY PER INCH11-1/2 ALL ENDS
CQGMMAXIMUM OPERATING PRESSURE4000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CQJXNOMINAL THREAD SIZE1.500 INCHES ALL ENDS
CSDCOPENING PRESSURE SETTING750.0 POUNDS PER SQUARE INCH
MATTMATERIALCOPPER ALLOY OVERALL
MEDAMEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
STYLSTYLE DESIGNATORANGLE
THSDTHREAD SERIES DESIGNATORNPT ALL ENDS
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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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