Product Details | SHOULDERED SHAFT

3040-00-388-2945 A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (AA), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see AXLE(1), SHOULDERED. For items not having any of the above conditions see PIN, SHOULDER, HEADLESS. Excludes SHAFT(1), STRAIGHT; and AXLE(1), STRAIGHT.

Part Alternates: MAAFB2435APC1524, MAAFB2435APC15-24, MAFB2435DPC15, NAFB5041A, AFB5041A, AFC5041A, CAFB5041A, P16 608 831N, P16608831N, 16300365, 16608831, 3040-00-388-2945, 00-388-2945, 3040003882945, 003882945

Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-388-2945

Drawings & Photos | NSN 3040-00-388-2945


Demand History | NSN 3040-00-388-2945

Part Number Request Date QTY Origin
16608831 2025-09-261 1 DIBBS
16608831 2025-01-23 1 DIBBS
16608831 2024-10-277 4 DIBBS
16608831 2024-09-262 4 DIBBS
16608831 2024-09-249 1 DIBBS
16608831 2024-05-134 3 DIBBS
16608831 2024-04-119 3 DIBBS
16608831 2023-05-123 2 DIBBS
16608831 2023-04-93 2 DIBBS
16608831 2023-03-73 1 DIBBS
16608831 2022-11-326 1 DIBBS
16608831 2022-10-293 1 DIBBS
3040-00-388-2945 2018-10-297 4 DIBBS
3040-00-388-2945 2017-03-81 2 DIBBS
3040-00-388-2945 2016-01-21 2 DIBBS
3040-00-388-2945 2014-08-222 15 DIBBS
3040-00-388-2945 2014-01-01 2 DIBBS
3040-00-388-2945 2011-04-100 5 DIBBS
3040-00-388-2945 2010-09-258 5 DIBBS
3040-00-388-2945 2009-08-225 4 DIBBS
3040-00-388-2945 2009-05-138 4 DIBBS
3040-00-388-2945 2009-01-22 4 DIBBS
3040-00-388-2945 2008-08-218 3 DIBBS

Cross Reference | NSN 3040-00-388-2945

Part Number Cage Code Manufacturer
16300365 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
16608831 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
16608831 8Z642 ALPHA PARTS & SUPPLY, INC DBA BRATWEAR
AFB5041A 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
AFC5041A 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
CAFB5041A 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
MAAFB2435APC15-24 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
MAFB2435DPC15 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
NAFB5041A 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
P16 608 831N 8Z642 ALPHA PARTS & SUPPLY, INC DBA BRATWEAR

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Technical Data | NSN 3040-00-388-2945

Characteristic Specifications
MATERIAL STEEL
FIRST END STYLE 1 PLAIN
FIRST END DIAMETER 5.0000 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE 43 EXTERNALLY THREADED AND FLAT KEYWAY
SECOND END KEYWAY WIDTH 0.3120 INCHES NOMINAL
SECOND END EXTERNAL KEYWAY LENGTH 0.938 INCHES NOMINAL
SECOND END KEYWAY DEPTH 0.641 INCHES NOMINAL
SECOND END DIAMETER 5.0000 INCHES NOMINAL
SECOND END EXTERNAL THREAD LENGTH 0.812 INCHES NOMINAL
LARGEST STEP DIAMETER 5.000 INCHES NOMINAL
OVERALL LENGTH 25.125 INCHES NOMINAL
STEP QUANTITY 5
SPECIAL FEATURES 1.750 IN.O/A LG,2 INTERNAL THREADED HOLES ON FIRST END 0.625-18 UNF,3B;SECOND END SECOND STEP TAPERED 1.500 IN.PER FT

Restrictions/Controls & Freight Information | NSN 3040-00-388-2945

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 126900 POWER TRANS SHAFTING/SHAFTS
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 593 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 3040-00-388-2945

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
AY : Assembly