Part identity

1937-2A18

Gear Spur

Obrien Gear 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

Gear Spur

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
1937-2A18
Item name
Gear Spur
Manufacturer code
02184
Manufacturer
Obrien Gear Co

Certifications & documentation

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

Manufacturer

Obrien Gear Co

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 1937-2A18 with NSN 3020-00-049-8514, 3020000498514

NSNFSCNIINCLSHazmatDEMILCancelled NSN
3020000498514

Item Description:

Gear Spur

30200004985140N
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
1937-2a18295

Characteristics Data of NSN 3020-00-049-8514, 3020000498514

MRCCriteriaCharacteristic
CMLMMounting Hole Thread Quantity Per Inch32 TRANSVERSELY THROUGH HUB, FIRST END
CWFRNominal Overall Length0.375 INCHES
CWPPPressure Angle20.0000 DEGREES
CWTXHub Nominal Diameter0.406 INCHES FIRST END
CWRSBore Nominal Diameter0.156 INCHES BOTH ENDS
MATTMaterialSTEEL COMP 416 OVERALL
STYLStyle DesignatorPROTRUDING HUB
MRCDecoded RequirementClear Text Reply
ABSXAttachment MethodMOUNTING HOLE
CWCDNominal Outside Diameter0.500 INCHES
AJLATeeth Quantity22
ANTPBore StylePLAIN BOTH ENDS
SFTTSurface TreatmentPASSIVATE OVERALL
CWRMFace Nominal Width0.125 INCHES
CQLTMounting Hole Nominal Thread Size0.138 INCHES TRANSVERSELY THROUGH HUB, FIRST END
CWNHTooth FormSTANDARD
CWTRHub Style DesignatorPINNED FIRST END
CMLKMounting Hole Thread Series DesignatorUNC TRANSVERSELY THROUGH HUB, FIRST END
CTQYMounting Hole Type And Quantity1 THREADED TRANSVERSELY THROUGH HUB, FIRST END
MDCLMaterial Document And ClassificationQQ-S-763,CLASS416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CWQLNominal Distance Between Body Face And Protruding Hub End0.250 INCHES FIRST END
CWWKPrecision ClassificationQUALITY NUMBER 5 OR QUALITY NUMBER 6
AAQLBody StylePLAIN, SOLID
AGJSPitch Diameter0.4580 INCHES NOMINAL
Integrated Electromechanicals

Industrial automation, control, and electromechanical components. Over 2 billion parts across 5,100+ manufacturers. Quotes back in 15 minutes, 24/7 — fulfilled from Anaheim, California.

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.

Official logos
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  • AS9120:2025
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