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NSN: 3040-00-001-5523
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Part Numbers

Item Number Item Description
134765-2 Shaft, Shouldered

Master Requirement Codes

Code Translation
AAHN A term used to identify the ends as identical or not identical.
AMDL The length of a straight line which passes through the center of the first end, and terminates at the circumference.
AAGZ The style designation indicating the configuration that most nearly corresponds to the appearance of the first end.
MATT The chemical compound or mechanical mixture properties of which the item is fabricated.
ZZZV The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.
CSPY The length of a straight line which passes through the center of the largest step, and terminates at the circumference.
MDCL The specification, standard, or manufacturers reference, and the classification designation, such as class, condition, temper, and the like, that identifies the material.
AMFZ The length of a straight line which passes through the center of the second end, and terminates at the circumference.
AAHP The style designation indicating the configuration that most nearly corresponds to the appearance of the second end.
FEAT Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
ABHP The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
ATPC The number of steps provided.
CSYM Designates the specific surface roughness rating, representing the arithmetic average deviation of the surface from the meanline in profile.

134765-2 Shouldered Shaft

Cage 05257

Technical Definition

Shaft, Shouldered, also referenced with federal logistics item name code 22914 - 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.

Technical Characteristics

End Similarity (AAHN):
Not identical
First End Diameter (AMDL):
0.4400 inches nominal
First End Style (AAGZ):
Plain
Material (MATT):
Aluminum alloy
FSC Application Data (ZZZV):
Inertial navigation stem
Largest Step Diameter (CSPY):
0.440 inches nominal
Material Document And Classification (MDCL):
Qq-a-225/6,t351 fed spec single material response
Second End External Thread Length (AMHA):
0.1880 inches nominal
Second End Diameter (AMFZ):
0.1380 inches nominal
Second End Style (AAHP):
External threaded
Special Features (FEAT):
1st end inside dia stepped 0.380 to 0.381 in.and 0.358 in.
Overall Length (ABHP):
3.470 inches nominal
Step Quantity (ATPC):
8
Surface Finish (CSYM):
16.0 microinches

National Stock Number (NSN)

3040-00-001-5523