National Item Identification Number
National Stock Number
Federal Supply Class
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.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
STEEL CORROSION RESISTING OVERALL