Part identity

03A174-4-18A

Screw Close Toleran

Northrop Grumman Technical Services 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

Screw Close Toleran

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
03A174-4-18A
Item name
Screw Close Toleran
Manufacturer code
0JRC1
Manufacturer
Northrop Grumman Technical Services Inc

Certifications & documentation

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

Manufacturer

Northrop Grumman Technical Services Inc

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 03A174-4-18A with NSN 5305-01-319-9443, 5305013199443

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305013199443

Item PartTypeName:

SCREW,CLOSE TOLERANCE

53050131994430N
CIICHCCESDPMICCriticalityENAC
U A
Part NumberISCRNVCRNCCHCCMSDSSADC
03A174-4-18A51C9

Characteristics Data of NSN 5305-01-319-9443, 5305013199443

MRCCriteriaCharacteristic
AASKHEAD STYLEFLAT COUNTERSUNK
ABQZINTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
CRSQCOUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
CSYMSURFACE FINISH32.0 MICROINCHES THREADS
MATTMATERIALTITANIUM ALLOY UNS R56400 OVERALL
AAJFTHREAD DIRECTIONRIGHT-HAND
ANEEGRIP LENGTH2.986 INCHES MINIMUM AND 3.006 INCHES MAXIMUM
CSYMSURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
CSYMSURFACE FINISH32.0 MICROINCHES GRIP
AAJDTHREAD CLASS3A
AASBFASTENER LENGTH3.406 INCHES MINIMUM AND 3.436 INCHES MAXIMUM
AHYMNOMINAL THREAD DIAMETER0.250 INCHES
CMLPTHREAD QUANTITY PER INCH28
CQBCMINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
SFTTSURFACE TREATMENTALUMINUM OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNAS 4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
AASATHREAD LENGTH0.425 INCHES NOMINAL
AASLHEAD DIAMETER0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
AAURGRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONAMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THSDTHREAD SERIES DESIGNATORUNJF
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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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