Product Details | SHOULDERED SHAFT

3040-00-590-0234 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: 38KM38, 7998623, 3040-00-590-0234, 00-590-0234, 3040005900234, 005900234

Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-590-0234

Drawings & Photos | NSN 3040-00-590-0234


Cross Reference | NSN 3040-00-590-0234

Part Number Cage Code Manufacturer
38KM38 76040 MACK TRUCKS INC PARTS OPN
7998623 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 3040-00-590-0234

Characteristic Specifications
MATERIAL STEEL COMP 4150
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISH 16.0 MICROINCHES
FIRST END STYLE 18 SPLINED
FIRST END DIAMETER 2.0060 INCHES MINIMUM AND 2.0120 INCHES MAXIMUM
FIRST END SPLINE LENGTH 2.720 INCHES NOMINAL
FIRST END SPLINE MINOR DIAMETER 1.7340 INCHES MINIMUM AND 1.7450 INCHES MAXIMUM
FIRST END SPLINE MAJOR DIAMETER 2.0060 INCHES MINIMUM AND 2.0120 INCHES MAXIMUM
FIRST END PITCH DIAMETER 1.8993 INCHES NOMINAL
FIRST END PRESSURE ANGLE 40.0 DEGREES NOMINAL
FIRST END SPLINE QUANTITY 17
END SIMILARITY NOT IDENTICAL
SECOND END STYLE 43 EXTERNALLY THREADED AND FLAT KEYWAY
SECOND END KEYWAY WIDTH 0.3200 INCHES NOMINAL
SECOND END EXTERNAL KEYWAY LENGTH 0.940 INCHES NOMINAL
SECOND END KEYWAY DEPTH 0.190 INCHES NOMINAL
SECOND END DIAMETER 1.5000 INCHES NOMINAL
SECOND END EXTERNAL THREAD LENGTH 0.880 INCHES NOMINAL
LARGEST STEP DIAMETER 4.502 INCHES MINIMUM AND 4.508 INCHES MAXIMUM
OVERALL LENGTH 17.340 INCHES NOMINAL
STEP QUANTITY 6
SPECIAL FEATURES 3 NOTCHES IN SECOND END,0.280 IN. W,0.190 IN. DP;0.380 IN. LG;6 MTG HOLES IN LARGEST DIA SPLINE 3.625 BC,7/16-14UNC-2B THREADS,HOLES 60 DEG APART
MANUFACTURERS CODE 19207
DESIGN CONTROL REFERENCE 7998623

Restrictions/Controls & Freight Information | NSN 3040-00-590-0234

Category Code Description
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.
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