National Item Identification Number

01-344-1782

National Stock Number

Item Name

PIN,STRAIGHT,HEADLESS

Federal Supply Class

5315

Description

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)

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Reference Numbers (Part Numbers)

MIL-P-21143/1
M21143/1-17
M21143/1-17

Required Categories

FIRST END STYLE
SECOND END RELATIONSHIP WITH FIRST END

Required Description

9 SQUARE
IDENTICAL