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NSN: 5315-00-001-4758
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Part Numbers

Item Number Item Description
63B52568-9 Pin, Straight, Headless

Master Requirement Codes

Code Translation
ABRF The center to center distance between holes on the item.
CBBL Those features, not otherwise specified, which may be required for proper functioning of the item.
AAGZ The style designation indicating the configuration that most nearly corresponds to the appearance of the first end.
ABRB The style designation indicating the configuration that most nearly corresponds to the arrangement of the holes.
MDCL The specification, standard, or manufacturers reference, and the classification designation, such as class, condition, temper, and the like, that identifies the material.
MATT The chemical compound or mechanical mixture properties of which the item is fabricated.
CQBB Indicates whether or not the second end is identical to the first end.
ACHU The overall length of a straight line which passes through the center of the pin, and terminates at the outside circumference.
ACHT The overall dimension measured along the longitudinal axis, with terminated points at the extreme ends of the pin.
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.
CSYM Designates the specific surface roughness rating, representing the arithmetic average deviation of the surface from the meanline in profile.

63B52568-9 Headless Straight Pin

Cage 98750

Technical Definition

Pin, Straight, Headless, also referenced with federal logistics item name code 02390 - A headless, cylindrically-shaped item having a straight, smooth, solid body, with or without a drilled hole(s). it has an outside diameter equal to or less than its length. its length must not exceed twelve inches (304 mm); for items whose length exceeds twelve inches (304 mm); see rod, straight, headless. it is used for aligning or transfer of torque and/or thrust, by fitting into corresponding holes of another item. see also pin, straight, threaded.

Technical Characteristics

Distance From Centerline Of Hole To End Of Pin (ABRE):
0.359 inches nominal
Center To Center Distance Between Holes (ABRF):
0.516 inches nominal
Features Provided (CBBL):
Casehardened
First Hole Diameter (ABRC):
0.125 inches nominal
First End Style (AAGZ):
Chamfered
First End Taper Angle (CRMG):
45.0 degrees nominal
First End Taper Length (AMCS):
0.031 inches nominal
Hole Arrangement Style (ABRB):
Both end drilled
Material Document And Classification (MDCL):
Qq-s-637 fed spec single material response overall
Material (MATT):
Steel comp 1117 overall
Second End Relationship With First End (CQBB):
Identical
Second Hole Diameter (ABRD):
0.125 inches nominal
Pin Overall Diameter (ACHU):
0.8745 inches minimum and 0.8750 inches maximum
Pin Overall Length (ACHT):
1.469 inches nominal
Special Features (FEAT):
Drilled hole on longitudinal axis 0.213 in. dia by 1.000 in. deep w/1/4-28 unf 3a by 0.250 in. deep tap
Surface Finish (CSYM):
32.0 microinches outside diameter

National Stock Number (NSN)

5315-00-001-4758