Chief Of Engineers Part Number 8903-1-1 - Get an Instant Quote

Part Number:  8903-1-1
Alternate P/N:  890311
Manufacturer:  chief of engineers
NIIN:  00-318-1203
Item Name :  kingpin fifth wheel
CAGE Code:  81336
INC Code:  11407
Country:  USA
NCB Code:  00
Last Updated:  05-23-2025

Part Number 8903-1-1 described as Kingpin Fifth Wheel with NSN 2510-00-318-1203 with FSC 2510 Vehicular Cab Body and Frame Structural Components by Manufacture Chief Of Engineers 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 Chief Of Engineers aerospace and aviation parts like 8903-1-1. 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are subject to change until acceptance by ASAP Semiconductor of a binding Purchase Order, and quotations may be withdrawn or revised at the sole discretion of ASAP Semiconductor.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 8903-1-1 with NSN 2510-00-318-1203, 2510003181203

NSNFSCNIINCLSHazmatDEMILCancelled NSN
2510-00-318-1203

Item Description:

Kingpin Fifth Wheel

25100031812030N
CIICHCCESDPMICCriticalityENAC
UU
Part NumberISCRNVCRNCCHCCMSDSSADC
8903-1-1625

Characteristics Data of NSN 2510-00-318-1203, 2510003181203

MRCCriteriaCharacteristic
AASUHEAD HEIGHT0.594 INCHES NOMINAL
ABKUFLANGE THICKNESS0.625 INCHES NOMINAL
ABXVBORE DIAMETER2.000 INCHES NOMINAL
ACSTMOUNTING END TYPEFLANGE
ADAQBODY LENGTH6.531 INCHES NOMINAL
ADARBODY OUTSIDE DIAMETER4.490 INCHES MAXIMUM
ADMLMOUNTING FLANGE BOLT HOLE QUANTITY0
AGPWHEAD OUTSIDE DIAMETER2.797 INCHES MINIMUM AND 2.827 INCHES MAXIMUM
AGPXSHOULDER OUTSIDE DIAMETER2.880 INCHES MAXIMUM
AGSRLENGTH FROM HEAD TO SHOULDER2.094 INCHES NOMINAL
AHTCFLANGE OUTSIDE DIAMETER4.390 INCHES NOMINAL
AJWRSHOULDER LENGTH1.250 INCHES NOMINAL
AKRSPIN LENGTH12.000 INCHES NOMINAL
ARKNFLANGE SHAPEROUND
BSCKLOCKING RECESS OUTSIDE DIAMETER2.005 INCHES MAXIMUM
BTQSLOCKING RECESS LENGTH1.500 INCHES NOMINAL
BTQTLOWER LOCKING RECESS LENGTH1.500 INCHES NOMINAL
BTQXLOWER LOCKING RECESS OUTSIDE DIAMETER3.505 INCHES MAXIMUM
MATTMATERIALSTEEL



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