Quote in 15 min·24/7 × 365AS9120:2025 · ISO 9001:2015 · FAA AC 00-56B
NSN 3020-00-049-8514CAGE 02184

1937-2A18

Gear Spur

Gear Spur ASAP can help source this line with documentation review, alternate part checks, condition requirements, and account manager follow-up for urgent or planned procurement.

Obrien Gear Co
Manufacturer
USA
Origin
N/A
Spec
N/A
Unit weight
Detailed description

Technical sourcing notes

N/A
Lead time
N/A
Cross references
Unrestricted
Export control
3020 Gear Pulley Sprocket and Transmission Chain
FSC
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Operations-grade aviation sourcing.

AS9120B
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15 min
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Full trace
Documentation & certs on request
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Gear Spur1937-2A18
NSN3020-00-049-8514
Manufacturer
Obrien Gear Co
CAGE
02184
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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