Part identity

1535-1SIZE1 1-2

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
1535-1SIZE1 1-2
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.

View manufacturer profile →

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

MRCCriteriaCharacteristic
SAFETY RELIEFAAJFTHREAD DIRECTIONRIGHT-HAND ALL ENDS
SAFETY RELIEFADQUFLOW CONTROL DEVICEDISK
SAFETY RELIEFADSUDISK LOADING METHODSPRING
SAFETY RELIEFADSYVALVE DISCHARGE FLOW RATE314 0 GALLONS PER MINUTE
SAFETY RELIEFAWLSCONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
SAFETY RELIEFCBBLFEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
SAFETY RELIEFCMLPTHREAD QUANTITY PER INCH11-12 ALL ENDS
SAFETY RELIEFMATTMATERIALCOPPER ALLOY OVERALL
SAFETY RELIEFMEDAMEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
SAFETY RELIEFTHSDTHREAD SERIES DESIGNATORNPT ALL ENDS
SAFETY RELIEFAAARNOMINAL PIPE SIZE ACCOMMODATED1 500 INCHES ALL ENDS
SAFETY RELIEFADSRBONNET TYPEINSIDE SPRING
SAFETY RELIEFADSTBONNET ATTACHMENT METHODTHREADED
SAFETY RELIEFAEHZMAXIMUM OPERATING TEMP200 0 DEG FAHRENHEIT SINGLE RESPONSE
SAFETY RELIEFAHNCCONNECTION STYLEPLAINOPTIONAL ENDPIPE ALL ENDS
SAFETY RELIEFAQLRVALVE OPERATION METHODAUTOMATIC
SAFETY RELIEFCQGMMAXIMUM OPERATING PRESSURE4000 0 POUNDS PER SQUARE INCH SINGLE RESPONSE
SAFETY RELIEFCQJXNOMINAL THREAD SIZE1 500 INCHES ALL ENDS
SAFETY RELIEFCSDCOPENING PRESSURE SETTING750 0 POUNDS PER SQUARE INCH
SAFETY RELIEFSTYLSTYLE DESIGNATORANGLE
Integrated Electromechanicals

Industrial automation, control, and electromechanical components. Over 2 billion parts across 5,100+ manufacturers. Quotes back in 15 minutes, 24/7 — fulfilled from Anaheim, California.

Certifications

  • AS9120:2025
  • ISO 9001:2015
  • FAA AC 00-56B
Share feedback

Proud supporter of the Intrepid Fallen Heroes Fund, advancing mental-health treatment and research for U.S. service members and veterans.

USA fulfillment. Every order shipped from our Anaheim, California operations. Counterfeit-mitigation aligned to SAE AS5553 / AS6081.

Official logos
  • NBA
  • ASA
  • AS9120:2025
Payment acceptedVisaMastercardDiscoverAmerican Express

© 2026 Integrated Electromechanicals. All rights reserved.

Owned and operated as a wholly-owned subsidiary of ASAP Semiconductor LLC. Export-controlled items handled in accordance with ITAR and EAR regulations.