Part identity

0646C624-18

Screw Cap Socket Head

Boeing Co The

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 Cap Socket Head

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
0646C624-18
Item name
Screw Cap Socket Head
Manufacturer code
Z8T75
Manufacturer
Boeing Co The

Certifications & documentation

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

Manufacturer

Boeing Co The

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 0646C624-18 with NSN 5305-00-340-5584, 5305003405584

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305003405584

Item Description:

Screw Cap Socket Head

53050034055840N
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
0646c624-18223

Characteristics Data of NSN 5305-00-340-5584, 5305003405584

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.842 INCHES MINIMUM AND 0.923 INCHES MAXIMUM
AASBFASTENER LENGTH1.109 INCHES MINIMUM AND 1.157 INCHES MAXIMUM
AASKHEAD STYLEFLAT COUNTERSUNK
AASLHEAD DIAMETER0.720 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
ABQZINTERNAL DRIVE STYLEHEXAGON
AHYMNOMINAL THREAD DIAMETER0.375 INCHES
ASDBWIDTH ACROSS FLATS0.218 INCHES MINIMUM AND 0.221 INCHES MAXIMUM
CMLPTHREAD QUANTITY PER INCH24
CQBCMINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
CQFMHARDNESS RATING36.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL
CRSQCOUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
MATTMATERIALSTEEL COMP 4037 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTCADMIUM OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSDTHREAD SERIES DESIGNATORUNF
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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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