Caterpillar Inc Part Number 4B0840 - Get an Instant Quote

Part Number:  4B0840
Manufacturer:  caterpillar inc
NIIN:  00-371-3431
Item Name :  gear spur
CAGE Code:  11083
INC Code:  05466
Country:  USA
NCB Code:  00
Last Updated:  05-27-2025

Part Number 4B0840 described as Gear Spur with NSN 3020-00-371-3431 with FSC 3020 Gear Pulley Sprocket and Transmission Chain by Manufacture Caterpillar Inc is available in stock. We provide comprehensive database of aerospace and aviation components, sub-assemblies, and completed assemblies allows us to respond to your RFQ within 15 minutes.

Simplified Purchasing is owned and operated by ASAP Semiconductor, an industry-leading AS9120B, ISO 9001:2015, and FAA AC 0056B certified distributor of Caterpillar Inc aerospace and aviation parts like 4B0840. We are a service-oriented company that provides quality NSN components with an emphasis on United States export law through our delivery centers at 2 strategic locations, California and Nevada. 

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Disclaimer: This is a quotation for the goods listed above. This quotation is meant as an estimate and does not reflect a final bill or invoice. All quotations are subject to change until acceptance by ASAP Semiconductor of a binding Purchase Order, and quotations may be withdrawn or revised at the sole discretion of ASAP Semiconductor. This quotation is subject to the ASAP Semiconductor Terms & Conditions available at https://www.asapsemi.com/customer-terms-and-conditions/ . All United States Government and Department of Defense bids are quoted as CAGE code 6RE77 from ASAP Semiconductor’s Anaheim, California facility. Any quotation from ASAP Semiconductor without 6RE77 is void.

NSN Information for Part Number 4B0840 with NSN 3020-00-371-3431, 3020003713431

NSNFSCNIINCLSHazmatDEMILCancelled NSN
3020-00-371-3431

Item Description:

Gear Spur

3020003713431N
CIICHCCESDPMICCriticalityENAC
U
Part NumberISCRNVCRNCCHCCMSDSSADC
4b0840223

Characteristics Data of NSN 3020-00-371-3431, 3020003713431

MRCCriteriaCharacteristic
AAQLBODY STYLEPLAIN SOLID
ABSXATTACHMENT METHODMOUNTING HOLE
AGJSPITCH DIAMETER2.6667 INCHES NOMINAL
AJLATEETH QUANTITY16
ANTPBORE STYLEW- 2 KEYWAYS BOTH ENDS
CMLKMOUNTING HOLE THREAD SERIES DESIGNATORUNC AXIALLY THROUGH BODY FIRST END
CQFMHARDNESS RATING50.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM OVERALL
CQLTMOUNTING HOLE NOMINAL THREAD SIZE0.250 INCHES AXIALLY THROUGH BODY FIRST END
CTQYMOUNTING HOLE TYPE AND QUANTITY2 THREADED AXIALLY THROUGH BODY FIRST END
CWCDNOMINAL OUTSIDE DIAMETER2.910 INCHES
CWNHTOOTH FORMSTANDARD
CWPPPRESSURE ANGLE20.0000 DEGREES
CWRMFACE NOMINAL WIDTH0.906 INCHES
CWRSBORE NOMINAL DIAMETER1.500 INCHES BOTH ENDS
CWSNKEYWAY NOMINAL WIDTH0.252 INCHES BOTH ENDS
CWSRNOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.875 INCHES BOTH ENDS
MATTMATERIALSTEEL COMP 8645H OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
STYLSTYLE DESIGNATORHUBLESS



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