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NSN: 5315-00-003-0955
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Part Numbers

Item Number Item Description
HP878174-1 Pin, Straight, Headless

Master Requirement Codes

Code Translation
AAGZ The style designation indicating the configuration that most nearly corresponds to the appearance of the first end.
CQFM A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
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.
ACHT The overall dimension measured along the longitudinal axis, with terminated points at the extreme ends of the pin.
ACHU The overall length of a straight line which passes through the center of the pin, and terminates at the outside circumference.
CSYM Designates the specific surface roughness rating, representing the arithmetic average deviation of the surface from the meanline in profile.
SFTT The metallic, nonmetallic, and/or chemical properties with which the item is plated, dipped, and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

HP878174-1 Headless Straight Pin

Cage 70236

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

First End Style (AAGZ):
First End Taper Angle (CRMG):
45.0 degrees nominal
First End Taper Length (AMCS):
0.015 inches nominal
Hardness Rating (CQFM):
40.0 rockwell c minimum overall and 45.0 rockwell c maximum overall
Material Document And Classification (MDCL):
Qq-s-763 fed spec single material response overall
Material (MATT):
Steel comp 416 overall
Second End Relationship With First End (CQBB):
Pin Overall Length (ACHT):
0.562 inches nominal
Pin Overall Diameter (ACHU):
0.1244 inches minimum and 0.1249 inches maximum
Surface Finish (CSYM):
125.0 microinches overall
Surface Treatment (SFTT):
Passivate overall

National Stock Number (NSN)