Part identity

121J-640-Z3C

Material: Steel overall Surface Treatment: Cadmium overall Material Accommodated Thickness: 0.187 inches minimum and 0.212 inches maximum

Southco Uk Ltd

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 Surface Treatment: Cadmium overall Material Accommodated Thickness: 0.187 inches minimum and 0.212 inches maximum

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
121J-640-Z3C
Item name
Material: Steel overall Surface Treatment: Cadmium overall Material Accommodated Thickness: 0.187 inches minimum and 0.212 inches maximum
Manufacturer code
U1584
Manufacturer
Southco Uk Ltd

Certifications & documentation

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

Manufacturer

Southco Uk Ltd

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 121J-640-Z3C with NSN 5325-00-449-3172, 5325004493172

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5325004493172

Item Description:

STUD,TURNLOCK FASTENER

53250044931720N
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
AJ6-40225

Characteristics Data of NSN 5325-00-449-3172, 5325004493172

MRCCriteriaCharacteristic
AATQGRIP LENGTH0.400 INCHES NOMINAL
ABMZDIAMETER0.625 INCHES NOMINAL
AGQYTURNLOCK STUD SHANK STYLESTUD SHANK
AGRDTURNLOCK STUD HEAD STYLEFILLISTER
AGSMMATERIAL ACCOMMODATED THICKNESS0.187 INCHES MINIMUM AND 0.212 INCHES MAXIMUM
AKCVDRIVE TYPESLOTTED
CQYNSHANK NECK LENGTH0.190 INCHES NOMINAL
CSGBSTUD SHANK MAJOR DIAMETER0.375 INCHES NOMINAL
MATTMATERIALSTEEL OVERALL
SFTTSURFACE TREATMENTCADMIUM OVERALL
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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