Part identity

N1178AA

Valve Safety Relief

Gleeman Truck Parts

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
N1178AA
Item name
Valve Safety Relief
Manufacturer code
Z3B98
Manufacturer
Gleeman Truck Parts

Certifications & documentation

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

Manufacturer

Gleeman Truck Parts

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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Characteristics Data of NSN 2530-01-283-4773, 2530012834773

MRCCriteriaCharacteristic
CQGMMaximum Operating Pressure150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CQJXNominal Thread Size0.250 INCHES 1ST END
AQLRValve Operation MethodAIR OR AUTOMATIC
THSDThread Series DesignatorNPT 1ST END
AWLSConnection TypeTHREADED EXTERNAL PIPE 1ST END
CSDCOpening Pressure Setting150.0 POUNDS PER SQUARE INCH
STYLStyle DesignatorSCREW-IN CARTRIDGE
AAJFThread DirectionRIGHT-HAND 1ST END
FEATSpecial FeaturesFOR USE IN VEHICULAR AIR BRAKE SYSTEMS.
AHNCConnection StylePLAIN (PIPE) 1ST END
MEDAMedia For Which DesignedAIR SINGLE RESPONSE
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
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USA fulfillment. Every order shipped from our Anaheim, California operations. Counterfeit-mitigation aligned to SAE AS5553 / AS6081.

Official logos
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  • AS9120:2025
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