National Item Identification Number

00-151-1415

National Stock Number

Item Name

BOLT,MACHINE

Federal Supply Class

5306

Referenced on: http://www.tpub.com/content/chhelicopters/TM-55-1680-358-12P/css/TM-55-1680-358-12P_172.htm

Description

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Commercial and Government Entity Code (Supplier Data)

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00624

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19204

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S4080

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Reference Numbers (Part Numbers)

AN4-21A
B6812
210033-4-21A
7601610
932.19.21.138

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNF
0.250 INCHES
28
3A
RIGHT-HAND
0.468 INCHES MINIMUM
2.156 INCHES NOMINA