Part identity

12440535

Material: Steel comp 1010 overall Style Designator: Q253 eccentric safety ring handle Hardness Rating: 50.0 rockwell C minimum and 60.0 rockwell C maximum shank 50.0 rockwell C minimum and 60.0 rockwell C maximum spindle 47.0 rockwell C minimum and 48.0 rockwell C maximum spring

Northwestern Co

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 comp 1010 overall Style Designator: Q253 eccentric safety ring handle Hardness Rating: 50.0 rockwell C minimum and 60.0 rockwell C maximum shank 50.0 rockwell C minimum and 60.0 rockwell C maximum spindle 47.0 rockwell C minimum and 48.0 rockwell C maximum spring

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
12440535
Item name
Material: Steel comp 1010 overall Style Designator: Q253 eccentric safety ring handle Hardness Rating: 50.0 rockwell C minimum and 60.0 rockwell C maximum shank 50.0 rockwell C minimum and 60.0 rockwell C maximum spindle 47.0 rockwell C minimum and 48.0 rockwell C maximum spring
Manufacturer code
78519
Manufacturer
Northwestern Co

Certifications & documentation

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

Manufacturer

Northwestern Co

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 12440535 with NSN 5315-01-422-2978, 5315014222978

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5315014222978

Item Description:

PIN,QUICK RELEASE

53150142229780N
CIICHCCESDPMICCriticalityENAC
UA0
Part NumberISCRNVCRNCCHCCMSDSSADC
9000-908595

Characteristics Data of NSN 5315-01-422-2978, 5315014222978

MRCCriteriaCharacteristic
AAZESHANK DIAMETER0.250 INCHES NOMINAL
ABQCRING HANDLE DIAMETER1.250 INCHES NOMINAL
ABRMDETENT QUANTITY2
AFLWACTUATION METHODHANDLE
ANEEGRIP LENGTH1.5000 INCHES NOMINAL
APCMACTUATION TYPEPUSH
CQFMHARDNESS RATING47.0 ROCKWELL C MINIMUM SPRING AND 48.0 ROCKWELL C MAXIMUM SPRING
CQFMHARDNESS RATING50.0 ROCKWELL C MINIMUM SHANK AND 60.0 ROCKWELL C MAXIMUM SHANK
CQFMHARDNESS RATING50.0 ROCKWELL C MINIMUM SPINDLE AND 60.0 ROCKWELL C MAXIMUM SPINDLE
CTDJPIN ATTACHMENT TYPERING
MATTMATERIALSTEEL COMP 1010 OVERALL
STYLSTYLE DESIGNATORECCENTRIC SAFETY RING HANDLE
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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