Part identity

0503-8-4

Material: Steel overall Connection Style: M64 flared (tube) 1ST end M71A external seat for gasket seal (boss) 2ND end Connection Type: Threaded external tube 1ST end threaded internal boss 2ND end

Avtron Aerospace 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

Material: Steel overall Connection Style: M64 flared (tube) 1ST end M71A external seat for gasket seal (boss) 2ND end Connection Type: Threaded external tube 1ST end threaded internal boss 2ND end

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
0503-8-4
Item name
Material: Steel overall Connection Style: M64 flared (tube) 1ST end M71A external seat for gasket seal (boss) 2ND end Connection Type: Threaded external tube 1ST end threaded internal boss 2ND end
Manufacturer code
01014
Manufacturer
Avtron Aerospace Inc

Certifications & documentation

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

Manufacturer

Avtron Aerospace 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 0503-8-4 with NSN 4730-01-212-5775, 4730012125775

NSNFSCNIINCLSHazmatDEMILCancelled NSN
4730012125775

Item Description:

Adapter Straight Tu

47300121257750N
CIICHCCESDPMICCriticalityENAC
U A
Part NumberISCRNVCRNCCHCCMSDSSADC
0503-8-451CA

Characteristics Data of NSN 4730-01-212-5775, 4730012125775

MRCCriteriaCharacteristic
AAJDTHREAD CLASS2A 1ST END
AAJDTHREAD CLASS2A 2ND END
AEHZMAXIMUM OPERATING TEMP250.0 DEG FAHRENHEIT SINGLE RESPONSE
AHNCCONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END
AHNCCONNECTION STYLEFLARED (TUBE) 1ST END
AWLSCONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
AWLSCONNECTION TYPETHREADED INTERNAL BOSS 2ND END
CQGMMAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CQJXNOMINAL THREAD SIZE0.438 INCHES 1ST END
CQJXNOMINAL THREAD SIZE0.750 INCHES 2ND END
CQRBSEAT ANGLE37.0 DEGREES 1ST END
CWFDNOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 1ST END
CWFRNOMINAL OVERALL LENGTH1.375 INCHES
MATTMATERIALSTEEL OVERALL
THSDTHREAD SERIES DESIGNATORUNF 1ST END
THSDTHREAD SERIES DESIGNATORUNF 2ND END
TMQYFURNISHED ITEMS AND QUANTITY1 FLARED SLEEVE AND 1 PREFORMED PACKING AND 1 SHORT COUPLING NUT
ZZZKSPECIFICATION/STANDARD DATA81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
ZZZTNONDEFINITIVE SPEC/STD DATA3B FIGURE
Integrated Electromechanicals

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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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