Quote for 4B903 Caterpillar Inc Part with NSN 2805-00-566-0275

Part Number:  4B903
Manufacturer:  caterpillar inc
NIIN:  5660275
Item Name :  crankshaft engine
CAGE Code:  11083
INC Code:  60355
Country:  USA
NCB Code:  00
FSG:  28 Engines Turbines and Components
Last Updated:  01-14-2026

Are you looking quote for part 4B903? The Caterpillar Inc-manufactured component (CAGE Code: 11083) is documented under NSN 2805-00-566-0275 as Crankshaft Engine. For the fastest quote, please complete our RFQ form with details about 4B903. We guarantee a response within 15 minutes.

ASAP Components provides the verified 4B903, classified under INC 60355, FSG 28 Engines Turbines and Components, FSC 2805 Gasoline Reciprocating Engines Except Aircraft and Components, NIIN 00-566-0275, and NCB 00. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number 4B903 with NSN 2805-00-566-0275, 2805005660275

NSNFSCNIINCLSHazmatDEMILCancelled NSN
2805-00-566-0275

Item PartTypeName:

CRANKSHAFT,ENGINE

2805005660275N
CIICHCCESDPMICCriticalityENAC
U
Part NumberISCRNVCRNCCHCCMSDSSADC
4B0903523

Characteristics Data of NSN 2805-00-566-0275, 2805005660275

MRCCriteriaCharacteristic
ABHPOVERALL LENGTH10.000 INCHES NOMINAL
FEATSPECIAL FEATURESSTEEL; DIA 5.000 IN.,ONE END THD 1.500-12,0.750 THD LG,ONE KEYWAY 0.250 IN. W,1.500 IN. LG,SHAFT 1.750 IN. DIA,TWO THD HOLES 0.312-24

Schedule B & Trade

End Use : 21100 Industrial engines
Schedule B : 8409918000 (NAICS 333618) Parts for spark-ignition internal combustion piston engines, nesoi
SITC : 71391 Parts, n.E.S, suitable for use solely or principally with spark-ignition internal combustion piston engines

Identification

CRITL The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
PMIC U - Precious metal content is unknown

NSN Management Codes

AAC Y
Classification Control U
MGMT_CTL 9c-----
Quantity per pack * special requirements.
Repariability
Shelf Life N/A
SOS S9c
Unit of Measure Ea

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